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b/18+2=-3
We move all terms to the left:
b/18+2-(-3)=0
We add all the numbers together, and all the variables
b/18+5=0
We multiply all the terms by the denominator
b+5*18=0
We add all the numbers together, and all the variables
b+90=0
We move all terms containing b to the left, all other terms to the right
b=-90
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