4x-4(-3x-7)=-20

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Solution for 4x-4(-3x-7)=-20 equation: 



4x-4(-3x-7)=-20

We move all terms to the left:

4x-4(-3x-7)-(-20)=0

We add all the numbers together, and all the variables

4x-4(-3x-7)+20=0

We multiply parentheses

4x+12x+28+20=0

We add all the numbers together, and all the variables

16x+48=0

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

16x=-48

x=-48/16

x=-3

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