8r+15=3r

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Solution for 8r+15=3r equation: 



8r+15=3r

We move all terms to the left:

8r+15-(3r)=0

We add all the numbers together, and all the variables

5r+15=0

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

5r=-15

r=-15/5

r=-3

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