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OpenStudy (anonymous):
2n+60=90 solve for n...is n 15?
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jimthompson5910 (jim_thompson5910):
n = 15 is correct
jimthompson5910 (jim_thompson5910):
Check: 2n + 60 = 90 2*15 + 60 = 90 ... replace all copies of n with 15 30 + 60 = 90 90 = 90 ... answer is confirmed
OpenStudy (anonymous):
N= 15.
OpenStudy (anonymous):
90 is wrong for n
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