Question
If If $\frac{a}{4}+\frac{b}{3}=4$, write the equation in standard form.
✓
Answer
$\begin{aligned} & \frac{a}{4}+\frac{b}{3}=4 \\ & \therefore \frac{3 a+4 b}{12}=4 \\ & \therefore 3 a+4 b=12 \times 4 \\ & \therefore 3 a+4 b=48\end{aligned}$
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