-20-3x=6x+7

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Solution for -20-3x=6x+7 equation: 



-20-3x=6x+7

We move all terms to the left:

-20-3x-(6x+7)=0

We get rid of parentheses

-3x-6x-7-20=0

We add all the numbers together, and all the variables

-9x-27=0

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

-9x=27

x=27/-9

x=-3

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