12x+9=9x+36

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Solution for 12x+9=9x+36 equation: 



12x+9=9x+36

We move all terms to the left:

12x+9-(9x+36)=0

We get rid of parentheses

12x-9x-36+9=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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