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OpenStudy (anonymous):
10m-9n=15
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OpenStudy (anonymous):
he answer would be n = 5/9 (2 m-3)
OpenStudy (anonymous):
10m - 9n = 15 (eq1) 5m - 4n = 10 (eq2) eq1 - 2 x eq2, 10m - 9n - 10m + 8n = 15 - 20 -n = -5 n = 5 Sub n=5 into eq2, 5m - 4(5) = 10 5m - 20 = 10 5m = 10 + 20 5m = 30 m = 6
OpenStudy (anonymous):
no the answer is 15 = m
OpenStudy (anonymous):
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