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12x-4x+18+73=8x+7+12x+8
We move all terms to the left:
12x-4x+18+73-(8x+7+12x+8)=0
We add all the numbers together, and all the variables
12x-4x-(20x+15)+18+73=0
We add all the numbers together, and all the variables
8x-(20x+15)+91=0
We get rid of parentheses
8x-20x-15+91=0
We add all the numbers together, and all the variables
-12x+76=0
We move all terms containing x to the left, all other terms to the right
-12x=-76
x=-76/-12
x=6+1/3
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