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-12+x/2=8
We move all terms to the left:
-12+x/2-(8)=0
We add all the numbers together, and all the variables
x/2-20=0
We multiply all the terms by the denominator
x-20*2=0
We add all the numbers together, and all the variables
x-40=0
We move all terms containing x to the left, all other terms to the right
x=40
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