-8-x=12+3x

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Solution for -8-x=12+3x equation: 



-8-x=12+3x

We move all terms to the left:

-8-x-(12+3x)=0

We add all the numbers together, and all the variables

-x-(3x+12)-8=0

We add all the numbers together, and all the variables

-1x-(3x+12)-8=0

We get rid of parentheses

-1x-3x-12-8=0

We add all the numbers together, and all the variables

-4x-20=0

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

-4x=20

x=20/-4

x=-5

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