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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