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-8=12-3x
We move all terms to the left:
-8-(12-3x)=0
We add all the numbers together, and all the variables
-(-3x+12)-8=0
We get rid of parentheses
3x-12-8=0
We add all the numbers together, and all the variables
3x-20=0
We move all terms containing x to the left, all other terms to the right
3x=20
x=20/3
x=6+2/3
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