12x-9=5x+30

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Solution for 12x-9=5x+30 equation: 



12x-9=5x+30

We move all terms to the left:

12x-9-(5x+30)=0

We get rid of parentheses

12x-5x-30-9=0

We add all the numbers together, and all the variables

7x-39=0

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

7x=39

x=39/7

x=5+4/7

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