-22=-7+5r

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



-22=-7+5r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(5r-7)-22=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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