-37=8+3r

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Solution for -37=8+3r equation: 



-37=8+3r

We move all terms to the left:

-37-(8+3r)=0

We add all the numbers together, and all the variables

-(3r+8)-37=0

We get rid of parentheses

-3r-8-37=0

We add all the numbers together, and all the variables

-3r-45=0

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

-3r=45

r=45/-3

r=-15

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