If ∣∣∣−x12−14∣∣∣=−12, find x

Question 1 Report

If ∣∣∣−x12−14∣∣∣=−12, find x

-6

-2

3

6

Answer Details

Explanation:

| \begin{matrix} - x & 12 \\ - 1 & 4 \end{matrix} | = - 12

-4x - (-1)12 = -12
-4x + 12 = -12
-4x = -12 - 12
-4x = - 24
x = 6

Read lesson note on Logarithms (WAEC)

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