-7-x=-3x+7

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



-7-x=-3x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1x-(-3x+7)-7=0

We get rid of parentheses

-1x+3x-7-7=0

We add all the numbers together, and all the variables

2x-14=0

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

2x=14

x=14/2

x=7

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