8r-68+15r-40=0

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Solution for 8r-68+15r-40=0 equation: 



8r-68+15r-40=0

We add all the numbers together, and all the variables

23r-108=0

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

23r=108

r=108/23

r=4+16/23

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