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b+(b+45)+90+(2b-90)+3/2=540
We move all terms to the left:
b+(b+45)+90+(2b-90)+3/2-(540)=0
determiningTheFunctionDomain b+(b+45)+(2b-90)+90-540+3/2=0
We add all the numbers together, and all the variables
b+(b+45)+(2b-90)-450+3/2=0
We get rid of parentheses
b+b+2b+45-90-450+3/2=0
We multiply all the terms by the denominator
b*2+b*2+2b*2+3+45*2-90*2-450*2=0
We add all the numbers together, and all the variables
b*2+b*2+2b*2-987=0
Wy multiply elements
2b+2b+4b-987=0
We add all the numbers together, and all the variables
8b-987=0
We move all terms containing b to the left, all other terms to the right
8b=987
b=987/8
b=123+3/8
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