9x-18=3x+12

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Solution for 9x-18=3x+12 equation: 



9x-18=3x+12

We move all terms to the left:

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

We get rid of parentheses

9x-3x-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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