WAEC - Mathematics (2009 - No. 18)

If 92x = \(\frac{1}{3}\)(27x), find x
2
1
-1
-2

Explanation

92x = \(\frac{1}{3}\)(27x)

(22)2x = \(\frac{(3^{3x})}{3}\)

(34x) = 33x - 1

4x = 3x - 1

4x - 3x = -1

x = -1

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