[tex]1) \frac{1}{2}x- \frac{2}{3}= \frac{1}{3} x+ \frac{1}{2}
[/tex]
Amplificam cele cu numitorul 2 - cu 3, iar cel cu 3 - cu 2.
[tex] \frac{3x}{6} - \frac{4}{6} = \frac{2x}{6} + \frac{3}{6}
[/tex]
[tex] \frac{3x}{6}- \frac{2x}{6}= \frac{3}{6}+ \frac{4}{6} [/tex]
[tex] \frac{x}{6}= \frac{7}{6}
x=7
R; S={7}
[/tex]
[tex]2)[/tex] Notam cu 1 intreg nr total de elevi
[tex]( \frac{2}{3} + \frac{1}{2}) - 1= [/tex]
Amplificam fractia cu numitorul 2 - cu 3, iar cu 3- cu 2
[tex]( \frac{4}{6}+ \frac{3}{6})-1= \frac{7}{6}- \frac{6}{6}= \frac{1}{6} [/tex]
