8/b+9=72

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Solution for 8/b+9=72 equation: 



8/b+9=72

We move all terms to the left:

8/b+9-(72)=0



Domain of the equation: b!=0

b∈R



We add all the numbers together, and all the variables

8/b-63=0

We multiply all the terms by the denominator


-63*b+8=0

We add all the numbers together, and all the variables

-63b+8=0

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

-63b=-8

b=-8/-63

b=8/63

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