2011
Mathematics
JAMB
If ∣∣∣2533x∣∣∣ = ∣∣∣4312x∣∣∣ , find the value of x.
A.
-6
B.
6
C.
-12
D.
12
Correct Answer: -6
Explanation
(2 x 3x) - (5 x 3) = (4 x 2x) - (3 x 1) 6x - 15 = 8x - 3 6x - 8x = 15 - 3 -2x = 12 x = 12/−2 = -6
(2 x 3x) - (5 x 3) = (4 x 2x) - (3 x 1) 6x - 15 = 8x - 3 6x - 8x = 15 - 3 -2x = 12 x = 12/−2 = -6THIS WEEK's
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