4x-4(-x-3)=84

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Solution for 4x-4(-x-3)=84 equation: 



4x-4(-x-3)=84

We move all terms to the left:

4x-4(-x-3)-(84)=0

We add all the numbers together, and all the variables

4x-4(-1x-3)-84=0

We multiply parentheses

4x+4x+12-84=0

We add all the numbers together, and all the variables

8x-72=0

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

8x=72

x=72/8

x=9

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