-9r-7=10r

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Solution for -9r-7=10r equation: 



-9r-7=10r

We move all terms to the left:

-9r-7-(10r)=0

We add all the numbers together, and all the variables

-19r-7=0

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

-19r=7

r=7/-19

r=-7/19

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