3=a/7-9

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Solution for 3=a/7-9 equation: 



3=a/7-9

We move all terms to the left:

3-(a/7-9)=0

We get rid of parentheses

-a/7+9+3=0

We multiply all the terms by the denominator


-a+9*7+3*7=0

We add all the numbers together, and all the variables

-1a+84=0

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

-a=-84

a=-84/-1

a=+84

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