18+3x=2x-12+7x

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Solution for 18+3x=2x-12+7x equation: 



18+3x=2x-12+7x

We move all terms to the left:

18+3x-(2x-12+7x)=0

We add all the numbers together, and all the variables

3x-(9x-12)+18=0

We get rid of parentheses

3x-9x+12+18=0

We add all the numbers together, and all the variables

-6x+30=0

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

-6x=-30

x=-30/-6

x=+5

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