3.7+4b=8.21

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Solution for 3.7+4b=8.21 equation: 



3.7+4b=8.21

We move all terms to the left:

3.7+4b-(8.21)=0

We add all the numbers together, and all the variables

4b-4.51=0

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

4b=4.51

b=4.51/4

b=1+0.51/4

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