1b+1.5b+45+2b-90=540

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Solution for 1b+1.5b+45+2b-90=540 equation: 



1b+1.5b+45+2b-90=540

We move all terms to the left:

1b+1.5b+45+2b-90-(540)=0

We add all the numbers together, and all the variables

4.5b-585=0

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

4.5b=585

b=585/4.5

b=130

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