5(-9-m)=-(7m+3)

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Solution for 5(-9-m)=-(7m+3) equation: 



5(-9-m)=-(7m+3)

We move all terms to the left:

5(-9-m)-(-(7m+3))=0

We add all the numbers together, and all the variables

5(-1m-9)-(-(7m+3))=0

We multiply parentheses

-5m-(-(7m+3))-45=0



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

-(7m+3)

We get rid of parentheses

-7m-3

Back to the equation:

-(-7m-3)



We get rid of parentheses

-5m+7m+3-45=0

We add all the numbers together, and all the variables

2m-42=0

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

2m=42

m=42/2

m=21

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