-21-5x=2(4x-4)

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Solution for -21-5x=2(4x-4) equation: 



-21-5x=2(4x-4)

We move all terms to the left:

-21-5x-(2(4x-4))=0



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

2(4x-4)

We multiply parentheses

8x-8

Back to the equation:

-(8x-8)



We get rid of parentheses

-5x-8x+8-21=0

We add all the numbers together, and all the variables

-13x-13=0

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

-13x=13

x=13/-13

x=-1

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