b+3.2+(b+45)+90+(2b-90)=180

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Solution for b+3.2+(b+45)+90+(2b-90)=180 equation: 



b+3.2+(b+45)+90+(2b-90)=180

We move all terms to the left:

b+3.2+(b+45)+90+(2b-90)-(180)=0

We add all the numbers together, and all the variables

b+(b+45)+(2b-90)-86.8=0

We get rid of parentheses

b+b+2b+45-90-86.8=0

We add all the numbers together, and all the variables

4b-131.8=0

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

4b=131.8

b=131.8/4

b=32+2.1111111111111/2.2222222222222

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