Odpowiedź :
[tex]a) \\ - 2.5l = - 5 \\ l = 2[/tex]
[tex]b) \\ - 3 \frac{1}{3} x = 10 \\ - \frac{10}{3} x = 10 | \times 3 \\ - 10 x= 30 \\ x = - 3[/tex]
[tex]c) \\ 0.75d = \frac{9}{16} \\ \frac{3}{4} d = \frac{9}{16} | \times 16 \\ 12d = 9 \\ d = \frac{9}{12} [/tex]
[tex]d) \\ - 8x = 3 \\ x = - \frac{3}{8} [/tex]
[tex]e) \\ - 3.2p = 32 \\ p = - 10[/tex]
[tex]f) \\ 1 \frac{2}{5} n = 2 \frac{1}{2} \\ \frac{7}{5} n = \frac{5}{2} | \times 10 \\ 14n = 25 \\ n = \frac{25}{14} = 1 \frac{11}{14} [/tex]