8+7b=40

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Solution for 8+7b=40 equation: 



8+7b=40

We move all terms to the left:

8+7b-(40)=0

We add all the numbers together, and all the variables

7b-32=0

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

7b=32

b=32/7

b=4+4/7

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