6x+18=3x-18

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Solution for 6x+18=3x-18 equation: 



6x+18=3x-18

We move all terms to the left:

6x+18-(3x-18)=0

We get rid of parentheses

6x-3x+18+18=0

We add all the numbers together, and all the variables

3x+36=0

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

3x=-36

x=-36/3

x=-12

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