7=a/3-7

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Solution for 7=a/3-7 equation: 



7=a/3-7

We move all terms to the left:

7-(a/3-7)=0

We get rid of parentheses

-a/3+7+7=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-1a+42=0

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

-a=-42

a=-42/-1

a=+42

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