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8x-122=4x-12
We move all terms to the left:
8x-122-(4x-12)=0
We get rid of parentheses
8x-4x+12-122=0
We add all the numbers together, and all the variables
4x-110=0
We move all terms containing x to the left, all other terms to the right
4x=110
x=110/4
x=27+1/2
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