waecmaths question:
Simplify $\frac{4}{2x}-\frac{2+x}{x}$
Option A:
–1
Option B:
–2x
Option C:
2x
Option D:
$\tfrac{2-x}{x}$
waecmaths solution:
$\begin{align} & \frac{4}{2x}-\frac{2+x}{x}=\frac{4-2(2+x)}{2x} \\ & =\frac{4-4-2x}{2x} \\ & =-\frac{2x}{2x} \\ & =-1 \end{align}$
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