-3r-7=-3

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Solution for -3r-7=-3 equation: 



-3r-7=-3

We move all terms to the left:

-3r-7-(-3)=0

We add all the numbers together, and all the variables

-3r-4=0

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

-3r=4

r=4/-3

r=-1+1/3

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