12x-9=27+8x

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Solution for 12x-9=27+8x equation: 



12x-9=27+8x

We move all terms to the left:

12x-9-(27+8x)=0

We add all the numbers together, and all the variables

12x-(8x+27)-9=0

We get rid of parentheses

12x-8x-27-9=0

We add all the numbers together, and all the variables

4x-36=0

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

4x=36

x=36/4

x=9

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