Question

Решите уравнение (подробно)

Answer 1

$2^{3(2x-3)}=2^{-2}$

3(2x-3)= -2

6x-9=-2

6x=7

x= 7/6

Answer 2

${8}^{2x - 3} = frac{1}{4} \ {2}^{3(2x - 3)} = {2}^{ - 2} \ {2}^{6x - 9} = {2}^{ - 2} \ 6x - 9 = - 2 \ 6x = - 2 + 9 \ 6x = 7 \ x = frac{7}{6}$

Ответ: х = 7/6