-3r-7=31

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Solution for -3r-7=31 equation: 



-3r-7=31

We move all terms to the left:

-3r-7-(31)=0

We add all the numbers together, and all the variables

-3r-38=0

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

-3r=38

r=38/-3

r=-12+2/3

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