Cześć!
[tex] \frac{1}{3} x - 4 = \frac{1}{2}x - 5 \\ \frac{1}{3} x - \frac{1}{2} x = - 5 + 4 \\ \frac{2}{6} x - \frac{3}{6} x = - 5 + 4 \\ - \frac{1}{6} x = - 1 \\ x = - 1 \div ( - \frac{1}{6} ) \\ x = - \frac{1}{1} \times ( - \frac{6}{1} ) \\ x = 6[/tex]
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