# 2 ka(ii) tell me fast

$\frac{3x+1}{x}\times \frac{21}{4}=\frac{35}{2}\phantom{\rule{0ex}{0ex}}\frac{21(3x+1)}{2x}=35\phantom{\rule{0ex}{0ex}}63x+21=70x\phantom{\rule{0ex}{0ex}}7x=21\phantom{\rule{0ex}{0ex}}x=3$

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