# mat

Three times a number plus 4 equals 15 times the reciprocal of the number. Determine the number.

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1. 3 n + 4 = 15 / n

3 n² + 4 n - 15 = 0

(3 n - 5) (n + 3) = 0

n = 5/3 ... or ... n = -3

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