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x/8+3=-42
We move all terms to the left:
x/8+3-(-42)=0
We add all the numbers together, and all the variables
x/8+45=0
We multiply all the terms by the denominator
x+45*8=0
We add all the numbers together, and all the variables
x+360=0
We move all terms containing x to the left, all other terms to the right
x=-360
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