7x-5x+15=x-7

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Solution for 7x-5x+15=x-7 equation: 



7x-5x+15=x-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-(x-7)+15=0

We get rid of parentheses

2x-x+7+15=0

We add all the numbers together, and all the variables

x+22=0

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

x=-22

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