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x/9+2=-1
We move all terms to the left:
x/9+2-(-1)=0
We add all the numbers together, and all the variables
x/9+3=0
We multiply all the terms by the denominator
x+3*9=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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