Lilymsmile
Lilymsmile
02-05-2017
Mathematics
contestada
Please help me. Thank you so much.
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maddy137
maddy137
02-05-2017
r=-1 thats the answer man
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Xandra0
Xandra0
02-05-2017
X = -1
Combining like terms gives you 9r = -1 so r = -1
Answer Link
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