-9x+7x-4=-2(-4-x)

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Solution for -9x+7x-4=-2(-4-x) equation: 



-9x+7x-4=-2(-4-x)

We move all terms to the left:

-9x+7x-4-(-2(-4-x))=0

We add all the numbers together, and all the variables

-9x+7x-(-2(-1x-4))-4=0

We add all the numbers together, and all the variables

-2x-(-2(-1x-4))-4=0



We calculate terms in parentheses: -(-2(-1x-4)), so:

-2(-1x-4)

We multiply parentheses

2x+8

Back to the equation:

-(2x+8)



We get rid of parentheses

-2x-2x-8-4=0

We add all the numbers together, and all the variables

-4x-12=0

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

-4x=12

x=12/-4

x=-3

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