81/a=3

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Solution for 81/a=3 equation:



81/a=3
We move all terms to the left:
81/a-(3)=0
Domain of the equation: a!=0
a∈R
We multiply all the terms by the denominator
-3*a+81=0
We add all the numbers together, and all the variables
-3a+81=0
We move all terms containing a to the left, all other terms to the right
-3a=-81
a=-81/-3
a=+27

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