-5x+(-56)=2x+21

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Solution for -5x+(-56)=2x+21 equation: 



-5x+(-56)=2x+21

We move all terms to the left:

-5x+(-56)-(2x+21)=0

We add all the numbers together, and all the variables

-5x-(2x+21)-56=0

We get rid of parentheses

-5x-2x-21-56=0

We add all the numbers together, and all the variables

-7x-77=0

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

-7x=77

x=77/-7

x=-11

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