ale0421m
Answered

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Select all the statements that are true for any value of x.
A. 7x + (2x + 7) = 9x + 7
B. 7x + (2x - 1) = 9x + 1
C. 3x + (10 - 3x) = 10
D. 5x – (8 - 6x) = -x - 8
E. 4x - (2x + 8) = 2x - 8
F. 6x - (2x - 4) = 4x + 4

Sagot :

realsneezy

Answer:

A,C,E,F

Step-by-step explanation:

when it is 0=0 it means it is true for all.  or x=x.

lhannearaujo

The true statements for x are letters: A,C, E, and F.

Addition Sign Rules

Here it is important to remember the rules for the  addition of integers numbers:

+  +   Add  Final result (+)  - Final result (+)  

-   -   Add  Final result (-)  - Final result (-)  

+  -   Subtract - Final result (the sign of the integer having a greater value)

-   +  Subtract - Final result (the sign of the integer having a greater value)

Multiplication Sign Rules

The rules for multiplication of numbers are:

  • +  +  or  -   -

The result presents a positive sign (+) because the signs are the same.

  • +  - or   -   +

The result presents a negative sign (-) because the signs are different.

For solving this question, you should apply the rules presented previously. And after that check, if your result is the same that the question gives.

  • Check Letter A

7x + (2x + 7) = 9x + 7

7x+2x+7

9x+7=9x+7

True

  • Check Letter B

7x + (2x - 1) = 9x + 1

7x+2x-1

9x-1≠9x + 1

False

  • Check Letter C

3x + (10 - 3x) = 10

3x+10-3x

10=10

True

  • Check Letter D

5x – (8 - 6x) = -x - 8

5x-8+6x

11x-8≠-x - 8

False

  • Check Letter E

4x - (2x + 8) = 2x - 8

4x-2x-8

2x-8=2x-8

True

  • Check Letter F

6x - (2x - 4) = 4x + 4

6x-2x+4

4x+4=4x+4

True

Read more about rules for multiplication  here:

brainly.com/question/16119150

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