Ответ:

[tex] {4}^{ - x} = 32 \\ {2}^{ - 2x} = {2}^{5 } \\ - 2x = 5 \\ x = - \frac{5}{2} [/tex]

[tex] ({ \frac{1}{3} })^{ - 2} = 2x - 1 \\ 9 = 2x - 1 \\ 10 = 2x \\ x = 5[/tex]