9x+18=12-7x

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Solution for 9x+18=12-7x equation: 



9x+18=12-7x

We move all terms to the left:

9x+18-(12-7x)=0

We add all the numbers together, and all the variables

9x-(-7x+12)+18=0

We get rid of parentheses

9x+7x-12+18=0

We add all the numbers together, and all the variables

16x+6=0

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

16x=-6

x=-6/16

x=-3/8

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