waecmaths question:
Solve the equation $\frac{2y-1}{3}-\frac{3y-1}{4}=1$
Option A:
–8
Option B:
–13
Option C:
13
Option D:
19
waecmaths solution:
$\begin{align} & \frac{2y-1}{3}-\frac{3y-1}{4}=1 \\ & \frac{4(2y-1)-3(3y-1)}{12}=1 \\ & 8y-4-9y+3=1 \\ & -y-1=12 \\ & y=-13 \\\end{align}$
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