princessluna450 princessluna450

24-09-2016
Mathematics

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Solve for nn:
5n+40≥12n–32

Respuesta :

Аноним Аноним

24-09-2016

5n+40≥12n-32
40+32≥12n-5n
72≥7n
7n≤72
n≤72/7

Answer: n≤72/7 or (-∞, 72/7]

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