-3r-7r+13=23

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Solution for -3r-7r+13=23 equation: 



-3r-7r+13=23

We move all terms to the left:

-3r-7r+13-(23)=0

We add all the numbers together, and all the variables

-10r-10=0

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

-10r=10

r=10/-10

r=-1

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