-3x+7=-7x+15

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Solution for -3x+7=-7x+15 equation: 



-3x+7=-7x+15

We move all terms to the left:

-3x+7-(-7x+15)=0

We get rid of parentheses

-3x+7x-15+7=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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