-9x-21=20x-86

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Solution for -9x-21=20x-86 equation: 



-9x-21=20x-86

We move all terms to the left:

-9x-21-(20x-86)=0

We get rid of parentheses

-9x-20x+86-21=0

We add all the numbers together, and all the variables

-29x+65=0

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

-29x=-65

x=-65/-29

x=2+7/29

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