-20x-77=13x-42

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Solution for -20x-77=13x-42 equation: 



-20x-77=13x-42

We move all terms to the left:

-20x-77-(13x-42)=0

We get rid of parentheses

-20x-13x+42-77=0

We add all the numbers together, and all the variables

-33x-35=0

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

-33x=35

x=35/-33

x=-1+2/33

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