Odpowiedź:
[tex]a)15 : a = \frac{3 }{2} \\15 = \frac{3 }{2} a\\a = 15 * \frac{2 }{3} = 10\\\\b) \frac{2}{5} a - 16 = 24\\\frac{2}{5} a = 40 \\a = 40 * \frac{5}{2} = 100\\\\c) 7a = 3 - 1 \frac{5}{6} \\7a = \frac{18}{6} - \frac{11}{6} \\7a = \frac{7}{6} \\a = \frac{7}{6} * \frac{1}{7 } = \frac{1}{6}[/tex]
