9x-12=5x+3+x+18

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Solution for 9x-12=5x+3+x+18 equation: 



9x-12=5x+3+x+18

We move all terms to the left:

9x-12-(5x+3+x+18)=0

We add all the numbers together, and all the variables

9x-(6x+21)-12=0

We get rid of parentheses

9x-6x-21-12=0

We add all the numbers together, and all the variables

3x-33=0

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

3x=33

x=33/3

x=11

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