(m+12)/m=9/7

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Solution for (m+12)/m=9/7 equation: 



(m+12)/m=9/7

We move all terms to the left:

(m+12)/m-(9/7)=0



Domain of the equation: m!=0

m∈R



We add all the numbers together, and all the variables

(m+12)/m-(+9/7)=0

We get rid of parentheses

(m+12)/m-9/7=0

We calculate fractions


(7m+84)/7m+(-9m)/7m=0

We multiply all the terms by the denominator


(7m+84)+(-9m)=0

We get rid of parentheses

7m-9m+84=0

We add all the numbers together, and all the variables

-2m+84=0

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

-2m=-84

m=-84/-2

m=+42

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