-8+5x+7x=-20

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Solution for -8+5x+7x=-20 equation: 



-8+5x+7x=-20

We move all terms to the left:

-8+5x+7x-(-20)=0

We add all the numbers together, and all the variables

12x+12=0

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

12x=-12

x=-12/12

x=-1

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