-15r=-87

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Solution for -15r=-87 equation: 



-15r=-87

We move all terms to the left:

-15r-(-87)=0

We add all the numbers together, and all the variables

-15r+87=0

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

-15r=-87

r=-87/-15

r=5+4/5

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