5b-7.5=31

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Solution for 5b-7.5=31 equation: 



5b-7.5=31

We move all terms to the left:

5b-7.5-(31)=0

We add all the numbers together, and all the variables

5b-38.5=0

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

5b=38.5

b=38.5/5

b=7+2.3333333333333/3.3333333333333

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