X-12=20+3x

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Solution for X-12=20+3x equation:



X-12=20+3X
We move all terms to the left:
X-12-(20+3X)=0
We add all the numbers together, and all the variables
X-(3X+20)-12=0
We get rid of parentheses
X-3X-20-12=0
We add all the numbers together, and all the variables
-2X-32=0
We move all terms containing X to the left, all other terms to the right
-2X=32
X=32/-2
X=-16

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