4(-m-7)=80

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Solution for 4(-m-7)=80 equation: 



4(-m-7)=80

We move all terms to the left:

4(-m-7)-(80)=0

We add all the numbers together, and all the variables

4(-1m-7)-80=0

We multiply parentheses

-4m-28-80=0

We add all the numbers together, and all the variables

-4m-108=0

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

-4m=108

m=108/-4

m=-27

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