Easy level Pre-Cal questionnnnn.........?
Solve for k.
(-9/2k)+(2/9)=(-3)-(2/3k)
k=______.
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Solve for k.
(-9/2k)+(2/9)=(-3)-(2/3k)
k=______.
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Answers & Comments
-9 / (2k) + (2/9) = -3 - 2 / (3k)
9 / (2k) - (2/9) = 3 + 2 / (3k)
(9 * 9 - 2 * 2k) / (9 * 2k) = (3 * 3k + 2) / (3k)
(81 - 4k) / (18k) = (9k + 2) / (3k)
3k * (81 - 4k) = 18k * (9k + 2)
81 - 4k = 6 * (9k + 2)
81 - 4k = 54k + 12
81 - 12 = 54k + 4k
69 = 58k
69 / 58 = k