-22=-5r-7

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Solution for -22=-5r-7 equation: 



-22=-5r-7

We move all terms to the left:

-22-(-5r-7)=0

We get rid of parentheses

5r+7-22=0

We add all the numbers together, and all the variables

5r-15=0

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

5r=15

r=15/5

r=3

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