90+b=1.5(b+2)+15+2b-9

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Solution for 90+b=1.5(b+2)+15+2b-9 equation: 



90+b=1.5(b+2)+15+2b-9

We move all terms to the left:

90+b-(1.5(b+2)+15+2b-9)=0



We calculate terms in parentheses: -(1.5(b+2)+15+2b-9), so:

1.5(b+2)+15+2b-9

determiningTheFunctionDomain
1.5(b+2)+2b+15-9

We add all the numbers together, and all the variables

2b+1.5(b+2)+6

We multiply parentheses

2b+1.5b+3+6

We add all the numbers together, and all the variables

3.5b+9

Back to the equation:

-(3.5b+9)



We get rid of parentheses

b-3.5b-9+90=0

We add all the numbers together, and all the variables

-2.5b+81=0

We move all terms containing b to the left, all other terms to the right

-2.5b=-81

b=-81/-2.5

b=32+1/2.5

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