-28+20=8x+12x

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Solution for -28+20=8x+12x equation: 



-28+20=8x+12x

We move all terms to the left:

-28+20-(8x+12x)=0

We add all the numbers together, and all the variables

-(+20x)-28+20=0

We add all the numbers together, and all the variables

-(+20x)-8=0

We get rid of parentheses

-20x-8=0

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

-20x=8

x=8/-20

x=-2/5

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