4+2m=5+5m+20

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Solution for 4+2m=5+5m+20 equation: 



4+2m=5+5m+20

We move all terms to the left:

4+2m-(5+5m+20)=0

We add all the numbers together, and all the variables

2m-(5m+25)+4=0

We get rid of parentheses

2m-5m-25+4=0

We add all the numbers together, and all the variables

-3m-21=0

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

-3m=21

m=21/-3

m=-7

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