Question

cat face 6 supra x= 3 supra 4

Answer 1

6/x=3/4 => x= 6•4/3 = 24/3=8

Answer 2

$\displaystyle \frac{6}{x} = \frac{3}{4} \\ \\\\ x= \frac{6\cdot4}{3}= \frac{24}{3}=8 \\ \\ \\ -------- \\ \\ x\cdot 3=6\cdot4 \\ \\ x\cdot3=24 \\ \\ x=8$