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

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



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

We move all terms to the left:

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

We get rid of parentheses

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



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

-2(x-4)

We multiply parentheses

-2x+8

Back to the equation:

-(-2x+8)



We add all the numbers together, and all the variables

-1x-(-2x+8)-7=0

We get rid of parentheses

-1x+2x-8-7=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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