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8+x/3=-1
We move all terms to the left:
8+x/3-(-1)=0
We add all the numbers together, and all the variables
x/3+9=0
We multiply all the terms by the denominator
x+9*3=0
We add all the numbers together, and all the variables
x+27=0
We move all terms containing x to the left, all other terms to the right
x=-27
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