Question 38

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waecmaths question: 

Simplify $\frac{2}{3xy}-\frac{3}{4yz}$

Option A: 

$\frac{2-x}{12xyz}$

Option B: 

$\frac{2z-3x}{12xyz}$

Option C: 

$\frac{4z-3x}{12xyz}$

Option D: 

 $\frac{8z-9x}{12xyz}$

waecmaths solution: 

$\frac{2}{3xy}-\frac{3}{4yz}=\frac{8z-9x}{12xyz}$

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