5x-(x-7)=15

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Solution for 5x-(x-7)=15 equation: 



5x-(x-7)=15

We move all terms to the left:

5x-(x-7)-(15)=0

We get rid of parentheses

5x-x+7-15=0

We add all the numbers together, and all the variables

4x-8=0

We move all terms containing x to the left, all other terms to the right

4x=8

x=8/4

x=2

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