Question 4

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waecmaths question: 

Simplify $\frac{x-4}{4}-\frac{x-3}{6}$

Option A: 

$\frac{x-18}{12}$

Option B: 

$\frac{x-6}{12}$

Option C: 

$\frac{x-18}{24}$

Option D: 

$\frac{x-6}{24}$

waecmaths solution: 

$\begin{align}  & \frac{x-4}{4}-\frac{x-3}{6}=\frac{3(x-4)-2(x-3)}{12} \\ & \frac{x-4}{4}-\frac{x-3}{6}=\frac{3x-12-2x+6}{12} \\ & \frac{x-4}{4}-\frac{x-3}{6}=\frac{x-6}{12} \\\end{align}$

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