-7=-7+2x

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Solution for -7=-7+2x equation: 



-7=-7+2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(2x-7)-7=0

We get rid of parentheses

-2x+7-7=0

We add all the numbers together, and all the variables

-2x=0

x=0/-2

x=0

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