Question
24 = y + 2y + 3 + 4y
✓
Answer
$\begin{aligned} & 24=y+2 y+3+4 y \\ & \Rightarrow 24-3=y+2 y+4 y \\ & \Rightarrow 21=7 y \\ & \Rightarrow 7 y=21 \\ & \Rightarrow y=\frac{21}{7}=3 \\ & \therefore y=3\end{aligned}$
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