Răspuns :
[tex] \frac{x}{3}= \frac{y}{4}= \ \textgreater \ y= \frac{4x}{3} \\ \\ \frac{4x}{3}-x=14 (amplificam~pe~x~cu~3) \\ \\ \frac{4x}{3}- \frac{3x}{3}=14 \\ \\ \frac{x}{3}=14 \\ \\ x=14*3 \\ \\x =42 \\ \\ y= \frac{4*42}{3} \\ \\ y= \frac{168}{3} \\ \\ y=56.[/tex]