-5r-7=38

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Solution for -5r-7=38 equation: 



-5r-7=38

We move all terms to the left:

-5r-7-(38)=0

We add all the numbers together, and all the variables

-5r-45=0

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

-5r=45

r=45/-5

r=-9

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