7b+8b=20

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Solution for 7b+8b=20 equation: 



7b+8b=20

We move all terms to the left:

7b+8b-(20)=0

We add all the numbers together, and all the variables

15b-20=0

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

15b=20

b=20/15

b=1+1/3

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