(a+30)/7=3

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Solution for (a+30)/7=3 equation: 



(a+30)/7=3

We move all terms to the left:

(a+30)/7-(3)=0

We multiply all the terms by the denominator


(a+30)-3*7=0

We add all the numbers together, and all the variables

(a+30)-21=0

We get rid of parentheses

a+30-21=0

We add all the numbers together, and all the variables

a+9=0

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

a=-9

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