-15=-2r-16

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Solution for -15=-2r-16 equation: 



-15=-2r-16

We move all terms to the left:

-15-(-2r-16)=0

We get rid of parentheses

2r+16-15=0

We add all the numbers together, and all the variables

2r+1=0

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

2r=-1

r=-1/2

r=-1/2

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