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## brainliest sumagot when seven is added to an unknown number,

**Ask: **brainliest sumagot

when seven is added to an unknown number, the result is twice the unknown number.

**Answer:**

7

**Step-by-step explanation:**

Transforming “When 7 is added to an unknown number” into equation we will have:

7 + x (Eq. 1)

where x is the unknown number

Transforming “the result is twice the unknown number” into equation we will have:

2x (Eq. 2)

Therefore by equating Eq.1 and Eq.2

7 + x = 2x

7 = 2x – x

7 = x

hence, 7

## how can i know the complete name of unknown number

**Ask: **how can i know the complete name of unknown number calling me

by calling it.then ask him/her name

that’s all just say

## How do you represent the unknown number in a mathematical

**Ask: **How do you represent the unknown number in a mathematical phrase?

I represent the unknown number in a mathematical phrase

**Answer:**

I represent the unknown number in a mathematical Phrase To Algebraic Expression. To write an expression, we often have to interpret a written phrase. For example, the phrase “6 added to some number” can be written as the expression x + 6, where the variable x represents the unknown number.

## When 7 is added to an unknown number, the result

**Ask: **When 7 is added to an unknown number, the result is twice the unknown number. What is the unknown?

**Answer:**

7

**Step-by-step explanation:**

Because when you add 7 to 7 the answer is 14 which is the answer if you multiply 7 to 2 (7×2) the answer is 14

**Answer:**

7

**Step-by-step explanation:**

Transforming “When 7 is added to an unknown number” into equation we will have:

7 + x (Eq. 1)

where x is the unknown number

Transforming “the result is twice the unknown number” into equation we will have:

2x (Eq. 2)

Therefore by equating Eq.1 and Eq.2

7 + x = 2x

7 = 2x – x

7 = x

hence, 7

## 4. A block was inclined to 45° by a force

**Ask: **4. A block was inclined to 45° by a force of 50 N, parallel to the incline. How much work is done by the applied force in moving the block to a distance of 10 meters? (Formula: W=F Cose d) Given: Formula: Unknown: Solution:

**Explanation:**

group the object as to photos for nonporous based on their characteristic

## The product of two numbers and 6 is 192. If

**Ask: **The product of two numbers and 6 is 192. If one of the unknown number is twice as the other unknown number, what are the two numbers?

The two numbers are 4 and 8.

Solution:

6(x*2x) = 192

(x*2x) = 192/6

2x^2 = 32

x^2 = 32/2

x^2 = 16

x = 4

-and-

2x = 8

## (number problem) four times the sum of nine and an

**Ask: **(number problem) four times the sum of nine and an unknown number is equal to 26. what is the unknown number?

**Answer:**

-2.5

**Step-by-step explanation:**

__Define x:__

Let x be the unknown number

__Solve x:__

4 times the sum of 9 and x is equal to 26.

4(9 + x) = 26

36 + 4x = 26

4x = -10

x = -2.5

**Answer: The number is -2.5**

**Answer:**

-2.5

**Step-by-step explanation:**

Let *x* be the unknown number.

[tex]4(9+x)=26\36+4x=26\4x=26-36\4x=-10\x=-2.5[/tex]

## If the sum of the unknown number and twelve is

**Ask: **If the sum of the unknown number and twelve is subtracted from four times the unknown number, the result is the unknown number less four. Find the number

**Answer:**

ano po yung instruction?

**Step-by-step explanation:**

i cocomment ko lng po ung answer pag alam ko na ang answer

## 1. Seven increased by three times a number is thirteen.

**Ask: **1. Seven increased by three times a number is thirteen. What is the unknown number?

2. Four times a number is equal to twice the sum of five and that number. Find the unknown number.

3. When seven is subtracted from six and unknown number, the result is eleven. What is the unknown number.

__Problem ____no.____1____:__

- 1.) Seven increased by three times a number is thirteen. What is the unknown number?

__Solution____:__

The mathematical phrase **“****Seven increased by three times a number is thirteen****“**** **translated to an algebraic equation is __7____ ____+____ ____3____x____ ____=____ ____1____3__. The “x” represents the number and the “increased by” means that you have to add three times a number from seven.

Let x represent the unknown number. Break the word problem into smaller pieces and then represent each piece by an algebraic expression.

Seven **⟹** 7

increased by **⟹** + (addition sign)

three times **⟹** 3

an unknown number **⟹** x

is **⟹** = (equal sign)

thirteen **⟹**** **13

Now, lets find the unknown number to the **a****lgebraic ****e****quation** above, 7 + 3x = 13.

*Solve for the unknown number.*

- 7 + 3x = 13
- 3x = 13 – 7
- 3x/3 = 6/3
**x = 2**

__Checking____:__

Plug in the number in the **a****lgebraic**** ****equation **to check if the answer is correct.

- 7 + 3x = 13
- 7 + 3(2) = 13
- 7 + 6 = 13
**13 = 13 ✓**

__Answer____:__

__Answer__

__:__

- The unknown number is
**2**.

### [tex] red{ underline{ : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : }}[/tex]

__Problem____ ____no.____2____:__

- 2.) Four times a number is equal to twice the sum of five and that number. Find the unknown number.

__Solution____:__

The mathematical phrase **“****Four times a number is equal to twice the sum of five and that number****“**** **translated to an algebraic equation is __4____x____ ____=____ ____2____(____5____ ____+____ ____x____)__. The “x” represents the number and the “sum” means that you have to add a number.

Let x represent the unknown number. Break the word problem into smaller pieces and then represent each piece by an algebraic expression.

Four times **⟹**** **4 •

an unknown number **⟹**** **x

is equal to **⟹**** **= (equal sign)

twice the sum of five and that unknown number **⟹**** **2 • (5 + x)

Now, lets find the unknown number to the **algebraic equation** above, 4x = 2(5 + x).

*Solve for the unknown number.*

- 4x = 2(5 + x)
- 4x = 10 + 2x
- 4x – 2x = 10
- 2x/2 = 10/2
**x****=****5**

__Checking____:__

__Checking__

__:__

Plug in the number in the **algebraic equation** to check if the answer is correct.

- 4x = 2(5 + x)
- 4x = 10 + 2x
- 4(5) = 10 + 2(5)
- 20 = 10 + 10
**2****0****=****2****0****✓**

__Answer____:__

__Answer__

__:__

- The unknown number is
**5**.

### [tex] red{ underline{ : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : }}[/tex]

__Problem____ ____no.____3____:__

- 3.) When seven is subtracted from six and unknown number, the result is eleven. What is the unknown number.

__Solution____:__

The mathematical phrase **“****w****hen seven is subtracted from six and unknown number, the result is eleven****“**** **translated to an algebraic equation is __6____x____ ____–____ ____7____ ____=____ ____1____1____.__ The “x” represents the number and the “subtracted from” means that you have to subtract.

Let x represent the unknown number. Break the word problem into smaller pieces and then represent each piece by an algebraic expression.

When seven **⟹**** **7

is subtracted from **⟹**** **– (subtract sign)

six times an unknown number **⟹**** **6 • x

the result is **⟹**** **= (equal sign)

eleven **⟹**** **11

Now, lets find the unknown number to the **algebraic equation** above, 6x – 7 = 11.

*Solve for the unknown number.*

- 6x – 7 = 11
- 6x = 11 + 7
- 6x/6 = 18/6
**x****=****3**

__Checking____:__

Plug in the number in the **algebraic equation** to check if the answer is correct.

- 6x – 7 = 11
- 6(3) – 7 = 11
- 18 – 7 = 11
**1****1****=****1****1****✓**

__Answer:__

__Answer:__

- The unknown number is
**3**.

=================================

**↓↓**** **__NOTE:__** ****↓****↓**

To check a word problem, the solution must be checked in the word statement. The reason for checking in the word statement is that an error may have been made in writing the equation that would not be discovered if you substitute the solution in the equation.

## 28. The difference between an unknown number and 15.026 is

**Ask: **28. The difference between an unknown number and 15.026 is 5.213. Find is the value of the unknown number.

**Answer:**

## 20.239

explanation:

### Question:

28. The difference between an unknown number and 15.026 is 5.213. Find is the value of the unknown number.

### Answer:

The difference between 20.239 and 15.026 is 5.213.

[tex]20.239 – 15.026 = 5.213[/tex]

difference=(-)

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### #Brainly

Not only you can get the answer of **how to block a number that is unknown**, you could also find the answers of 1. Seven increased, The product of, brainliest sumagot when, 28. The difference, and (number problem) four.