5b+4=81

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Solution for 5b+4=81 equation: 



5b+4=81

We move all terms to the left:

5b+4-(81)=0

We add all the numbers together, and all the variables

5b-77=0

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

5b=77

b=77/5

b=15+2/5

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