5b+4=21

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Solution for 5b+4=21 equation: 



5b+4=21

We move all terms to the left:

5b+4-(21)=0

We add all the numbers together, and all the variables

5b-17=0

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

5b=17

b=17/5

b=3+2/5

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