-20-3(2x-4)=40

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Solution for -20-3(2x-4)=40 equation: 



-20-3(2x-4)=40

We move all terms to the left:

-20-3(2x-4)-(40)=0

We add all the numbers together, and all the variables

-3(2x-4)-60=0

We multiply parentheses

-6x+12-60=0

We add all the numbers together, and all the variables

-6x-48=0

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

-6x=48

x=48/-6

x=-8

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