-4(-x-1)=-2(x-20)

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Solution for -4(-x-1)=-2(x-20) equation: 



-4(-x-1)=-2(x-20)

We move all terms to the left:

-4(-x-1)-(-2(x-20))=0

We add all the numbers together, and all the variables

-4(-1x-1)-(-2(x-20))=0

We multiply parentheses

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



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

-2(x-20)

We multiply parentheses

-2x+40

Back to the equation:

-(-2x+40)



We get rid of parentheses

4x+2x-40+4=0

We add all the numbers together, and all the variables

6x-36=0

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

6x=36

x=36/6

x=6

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