7x+7(-3x-3)=-x+31

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Solution for 7x+7(-3x-3)=-x+31 equation: 



7x+7(-3x-3)=-x+31

We move all terms to the left:

7x+7(-3x-3)-(-x+31)=0

We add all the numbers together, and all the variables

7x+7(-3x-3)-(-1x+31)=0

We multiply parentheses

7x-21x-(-1x+31)-21=0

We get rid of parentheses

7x-21x+1x-31-21=0

We add all the numbers together, and all the variables

-13x-52=0

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

-13x=52

x=52/-13

x=-4

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