-80=5x+2(2x-4)

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Solution for -80=5x+2(2x-4) equation: 



-80=5x+2(2x-4)

We move all terms to the left:

-80-(5x+2(2x-4))=0



We calculate terms in parentheses: -(5x+2(2x-4)), so:

5x+2(2x-4)

We multiply parentheses

5x+4x-8

We add all the numbers together, and all the variables

9x-8

Back to the equation:

-(9x-8)



We get rid of parentheses

-9x+8-80=0

We add all the numbers together, and all the variables

-9x-72=0

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

-9x=72

x=72/-9

x=-8

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