7x-7=-3x-7

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



7x-7=-3x-7

We move all terms to the left:

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

We get rid of parentheses

7x+3x+7-7=0

We add all the numbers together, and all the variables

10x=0

x=0/10

x=0

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