(x-7)^2 = (9-x)^(x-7)(x-7) = (9-x)(9-xx^2 - 14x + 49 = 81 - 18x + x^-14x + 49 = 81 - 184x = 3x = 8
Ответ: x = 8
(x-7)^2 = (9-x)^
(x-7)(x-7) = (9-x)(9-x
x^2 - 14x + 49 = 81 - 18x + x^
-14x + 49 = 81 - 18
4x = 3
x = 8
Ответ: x = 8