-2(-20+2x)=80

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Solution for -2(-20+2x)=80 equation: 



-2(-20+2x)=80

We move all terms to the left:

-2(-20+2x)-(80)=0

We add all the numbers together, and all the variables

-2(2x-20)-80=0

We multiply parentheses

-4x+40-80=0

We add all the numbers together, and all the variables

-4x-40=0

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

-4x=40

x=40/-4

x=-10

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