-2(-4x+7)=2(-x-8)-(x+20)

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Solution for -2(-4x+7)=2(-x-8)-(x+20) equation: 



-2(-4x+7)=2(-x-8)-(x+20)

We move all terms to the left:

-2(-4x+7)-(2(-x-8)-(x+20))=0

We add all the numbers together, and all the variables

-2(-4x+7)-(2(-1x-8)-(x+20))=0

We multiply parentheses

8x-(2(-1x-8)-(x+20))-14=0



We calculate terms in parentheses: -(2(-1x-8)-(x+20)), so:

2(-1x-8)-(x+20)

We multiply parentheses

-2x-(x+20)-16

We get rid of parentheses

-2x-x-20-16

We add all the numbers together, and all the variables

-3x-36

Back to the equation:

-(-3x-36)



We get rid of parentheses

8x+3x+36-14=0

We add all the numbers together, and all the variables

11x+22=0

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

11x=-22

x=-22/11

x=-2

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