5b+6=+21

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Solution for 5b+6=+21 equation: 



5b+6=+21

We move all terms to the left:

5b+6-(+21)=0

We add all the numbers together, and all the variables

5b+6-21=0

We add all the numbers together, and all the variables

5b-15=0

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

5b=15

b=15/5

b=3

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