-4(-3x-4)-5x+5=-21

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Solution for -4(-3x-4)-5x+5=-21 equation: 



-4(-3x-4)-5x+5=-21

We move all terms to the left:

-4(-3x-4)-5x+5-(-21)=0

We add all the numbers together, and all the variables

-5x-4(-3x-4)+26=0

We multiply parentheses

-5x+12x+16+26=0

We add all the numbers together, and all the variables

7x+42=0

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

7x=-42

x=-42/7

x=-6

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