72/a=9

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Solution for 72/a=9 equation: 



72/a=9

We move all terms to the left:

72/a-(9)=0



Domain of the equation: a!=0

a∈R



We multiply all the terms by the denominator


-9*a+72=0

We add all the numbers together, and all the variables

-9a+72=0

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

-9a=-72

a=-72/-9

a=+8

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