-7r-1=9r-17

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Solution for -7r-1=9r-17 equation: 



-7r-1=9r-17

We move all terms to the left:

-7r-1-(9r-17)=0

We get rid of parentheses

-7r-9r+17-1=0

We add all the numbers together, and all the variables

-16r+16=0

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

-16r=-16

r=-16/-16

r=1

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