4/b+2=9

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Solution for 4/b+2=9 equation: 



4/b+2=9

We move all terms to the left:

4/b+2-(9)=0



Domain of the equation: b!=0

b∈R



We add all the numbers together, and all the variables

4/b-7=0

We multiply all the terms by the denominator


-7*b+4=0

We add all the numbers together, and all the variables

-7b+4=0

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

-7b=-4

b=-4/-7

b=4/7

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