[tex]\frac{n+2}{6} =\frac{1}{2} \\ \\ 2(n+2)=6 \\ \\ 2n+4=6\\ \\ 2n=6-4\\ \\ 2n=2\\ \\ n=2:2\\ \\ n=1\\ \\ Verificare: \\ \\ \frac{1+2}{6} =\frac{1}{2} \\ \\ \frac{3}{6} =\frac{1}{2} \\ \\ 3*2=6*1\\ \\ 6=6[/tex]
