M/(m+20)=5/9

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Solution for M/(m+20)=5/9 equation: 



/(M+20)=5/9

We move all terms to the left:

/(M+20)-(5/9)=0



Domain of the equation: (M+20)!=0

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

M!=-20

M∈R



We add all the numbers together, and all the variables

/(M+20)-(+5/9)=0

We get rid of parentheses

/(M+20)-5/9=0

We calculate fractions


()/(9M+180)+(-5M-100)/(9M+180)=0

We multiply all the terms by the denominator


(-5M-100)+()=0

We add all the numbers together, and all the variables

(-5M-100)=0

We get rid of parentheses

-5M-100=0

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

-5M=100

M=100/-5

M=-20

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