12x+9=7x-36

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Solution for 12x+9=7x-36 equation: 



12x+9=7x-36

We move all terms to the left:

12x+9-(7x-36)=0

We get rid of parentheses

12x-7x+36+9=0

We add all the numbers together, and all the variables

5x+45=0

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

5x=-45

x=-45/5

x=-9

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