-3x+12+9x=8x-5x

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Solution for -3x+12+9x=8x-5x equation:



-3x+12+9x=8x-5x
We move all terms to the left:
-3x+12+9x-(8x-5x)=0
We add all the numbers together, and all the variables
-3x+9x-(+3x)+12=0
We add all the numbers together, and all the variables
6x-(+3x)+12=0
We get rid of parentheses
6x-3x+12=0
We add all the numbers together, and all the variables
3x+12=0
We move all terms containing x to the left, all other terms to the right
3x=-12
x=-12/3
x=-4

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