2.5b+(b+45)+(2b-90)+90=540

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Solution for 2.5b+(b+45)+(2b-90)+90=540 equation: 



2.5b+(b+45)+(2b-90)+90=540

We move all terms to the left:

2.5b+(b+45)+(2b-90)+90-(540)=0

We add all the numbers together, and all the variables

2.5b+(b+45)+(2b-90)-450=0

We get rid of parentheses

2.5b+b+2b+45-90-450=0

We add all the numbers together, and all the variables

5.5b-495=0

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

5.5b=495

b=495/5.5

b=90

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