2 ka(ii) tell me fast

Dear Student.

$$\begin{gathered} \frac{3x+1}{x}\times \frac{21}{4}=\frac{35}{2} \\ \frac{21(3x+1)}{2x}=35 \\ 63x+21=70x \\ 7x=21 \\ x=3 \end{gathered}$$

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