4(m+5)=5m+21

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Solution for 4(m+5)=5m+21 equation: 



4(m+5)=5m+21

We move all terms to the left:

4(m+5)-(5m+21)=0

We multiply parentheses

4m-(5m+21)+20=0

We get rid of parentheses

4m-5m-21+20=0

We add all the numbers together, and all the variables

-1m-1=0

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

-m=1

m=1/-1

m=-1

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