2b+42=82

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Solution for 2b+42=82 equation: 



2b+42=82

We move all terms to the left:

2b+42-(82)=0

We add all the numbers together, and all the variables

2b-40=0

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

2b=40

b=40/2

b=20

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