Question

x ori 3/7 = 2x/14 = 6/7

Answer 1

x×$\frac{3}{7} = \frac{2x}{14} = \frac{6}{7}$
$\frac{3x}{7}= \frac{2x}{14} = \frac{6}{7}$
$\frac{3x}{7} - \frac{2x}{14} - \frac{6}{7} =0 \\ nr.comun=14 \\ inmultim \\ cu 2$
6x-2x-12=0
4x-12=0
x=$\frac{12}{4}$
x=3