8=20+12x

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Solution for 8=20+12x equation: 



8=20+12x

We move all terms to the left:

8-(20+12x)=0

We add all the numbers together, and all the variables

-(12x+20)+8=0

We get rid of parentheses

-12x-20+8=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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