we1nbeccarockup we1nbeccarockup

25-12-2016
Mathematics

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Use emilimination to solve 2t 3n=9 and 5t-3n=5

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imaweirdasian2 imaweirdasian2

25-12-2016

2t+3n=9 2(2)+3n=9
+5t-3n=5 (the 3n cancel out) 4+3n=9
7t=14 3n=5
t=2 n=5/3 or 1.67

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