80=(20m+90)/m+90

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Solution for 80=(20m+90)/m+90 equation: 



80=(20m+90)/m+90

We move all terms to the left:

80-((20m+90)/m+90)=0



Domain of the equation: m+90)!=0

m∈R



We multiply all the terms by the denominator


-((20m+90)+80*m+90)=0



We calculate terms in parentheses: -((20m+90)+80*m+90), so:

(20m+90)+80*m+90

We add all the numbers together, and all the variables

80m+(20m+90)+90

We get rid of parentheses

80m+20m+90+90

We add all the numbers together, and all the variables

100m+180

Back to the equation:

-(100m+180)



We get rid of parentheses

-100m-180=0

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

-100m=180

m=180/-100

m=-1+4/5

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