7=(1+m)/(-3)

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Solution for 7=(1+m)/(-3) equation: 



7=(1+m)/(-3)

We move all terms to the left:

7-((1+m)/(-3))=0

We add all the numbers together, and all the variables

-((m+1)/(-3))+7=0

We multiply all the terms by the denominator


-((m+1)+7*(-3))=0



We calculate terms in parentheses: -((m+1)+7*(-3)), so:

(m+1)+7*(-3)

We add all the numbers together, and all the variables

(m+1)-21

We get rid of parentheses

m+1-21

We add all the numbers together, and all the variables

m-20

Back to the equation:

-(m-20)



We get rid of parentheses

-m+20=0

We add all the numbers together, and all the variables

-1m+20=0

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

-m=-20

m=-20/-1

m=+20

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