-4x-40=8(1-x)

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Solution for -4x-40=8(1-x) equation: 



-4x-40=8(1-x)

We move all terms to the left:

-4x-40-(8(1-x))=0

We add all the numbers together, and all the variables

-4x-(8(-1x+1))-40=0



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

8(-1x+1)

We multiply parentheses

-8x+8

Back to the equation:

-(-8x+8)



We get rid of parentheses

-4x+8x-8-40=0

We add all the numbers together, and all the variables

4x-48=0

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

4x=48

x=48/4

x=12

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