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b-40/180=690
We move all terms to the left:
b-40/180-(690)=0
determiningTheFunctionDomain b-690-40/180=0
We multiply all the terms by the denominator
b*180-40-690*180=0
We add all the numbers together, and all the variables
b*180-124240=0
Wy multiply elements
180b-124240=0
We move all terms containing b to the left, all other terms to the right
180b=124240
b=124240/180
b=690+2/9
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