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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-(4x-12)+12=0

We get rid of parentheses

3x-4x+12+12=0

We add all the numbers together, and all the variables

-1x+24=0

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

-x=-24

x=-24/-1

x=+24

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