42+3b+b-2=180

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Solution for 42+3b+b-2=180 equation: 



42+3b+b-2=180

We move all terms to the left:

42+3b+b-2-(180)=0

We add all the numbers together, and all the variables

4b-140=0

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

4b=140

b=140/4

b=35

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