-7=5r-2

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Solution for -7=5r-2 equation: 



-7=5r-2

We move all terms to the left:

-7-(5r-2)=0

We get rid of parentheses

-5r+2-7=0

We add all the numbers together, and all the variables

-5r-5=0

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

-5r=5

r=5/-5

r=-1

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