-18+9x=12-x

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



-18+9x=12-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

9x-(-1x+12)-18=0

We get rid of parentheses

9x+1x-12-18=0

We add all the numbers together, and all the variables

10x-30=0

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

10x=30

x=30/10

x=3

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