-3(4x+7)-(-7+x)=-7x+8x

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Solution for -3(4x+7)-(-7+x)=-7x+8x equation: 



-3(4x+7)-(-7+x)=-7x+8x

We move all terms to the left:

-3(4x+7)-(-7+x)-(-7x+8x)=0

We add all the numbers together, and all the variables

-3(4x+7)-(x-7)-(+x)=0

We multiply parentheses

-12x-(x-7)-(+x)-21=0

We get rid of parentheses

-12x-x-x+7-21=0

We add all the numbers together, and all the variables

-14x-14=0

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

-14x=14

x=14/-14

x=-1

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