x+15=3x-18

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Solution for x+15=3x-18 equation: 



x+15=3x-18

We move all terms to the left:

x+15-(3x-18)=0

We get rid of parentheses

x-3x+18+15=0

We add all the numbers together, and all the variables

-2x+33=0

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

-2x=-33

x=-33/-2

x=16+1/2

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