(x-9)/3=7

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Solution for (x-9)/3=7 equation: 



(x-9)/3=7

We move all terms to the left:

(x-9)/3-(7)=0

We multiply all the terms by the denominator


(x-9)-7*3=0

We add all the numbers together, and all the variables

(x-9)-21=0

We get rid of parentheses

x-9-21=0

We add all the numbers together, and all the variables

x-30=0

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

x=30

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