Question 8

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waecmaths question: 

Solve for x in the equation $\frac{1}{x}+\frac{2}{3x}=\frac{1}{3}$

Option A: 

5

Option B: 

4

Option C: 

3

Option D: 

1

waecmaths solution: 

$\begin{align}  & \frac{1}{x}+\frac{2}{3x}=\frac{1}{3} \\ & \frac{3+1}{3x}=\frac{1}{3} \\ & \frac{4}{3x}=\frac{1}{3} \\ & x=4 \\\end{align}$

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