31=22-3/10b

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Solution for 31=22-3/10b equation: 



31=22-3/10b

We move all terms to the left:

31-(22-3/10b)=0



Domain of the equation: 10b)!=0

b!=0/1

b!=0

b∈R



We add all the numbers together, and all the variables

-(-3/10b+22)+31=0

We get rid of parentheses

3/10b-22+31=0

We multiply all the terms by the denominator


-22*10b+31*10b+3=0

Wy multiply elements

-220b+310b+3=0

We add all the numbers together, and all the variables

90b+3=0

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

90b=-3

b=-3/90

b=-1/30

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