-3(2-4x)=-90

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Solution for -3(2-4x)=-90 equation: 



-3(2-4x)=-90

We move all terms to the left:

-3(2-4x)-(-90)=0

We add all the numbers together, and all the variables

-3(-4x+2)-(-90)=0

We add all the numbers together, and all the variables

-3(-4x+2)+90=0

We multiply parentheses

12x-6+90=0

We add all the numbers together, and all the variables

12x+84=0

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

12x=-84

x=-84/12

x=-7

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