a/3-21=6

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Solution for a/3-21=6 equation: 



a/3-21=6

We move all terms to the left:

a/3-21-(6)=0

We add all the numbers together, and all the variables

a/3-27=0

We multiply all the terms by the denominator


a-27*3=0

We add all the numbers together, and all the variables

a-81=0

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

a=81

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