9r+15=-39

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Solution for 9r+15=-39 equation: 



9r+15=-39

We move all terms to the left:

9r+15-(-39)=0

We add all the numbers together, and all the variables

9r+54=0

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

9r=-54

r=-54/9

r=-6

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