12+x=3(x-8)

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



12+x=3(x-8)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(x-8)), so:

3(x-8)

We multiply parentheses

3x-24

Back to the equation:

-(3x-24)



We get rid of parentheses

x-3x+24+12=0

We add all the numbers together, and all the variables

-2x+36=0

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

-2x=-36

x=-36/-2

x=+18

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