Question

Log1/9 (9-x) = -2
(Решить срочно!!!)

Answer 1

$log_{ \frac{1}{9} }(9 - x) = - 2 \\ 9 - x = { (\frac{1}{9}) }^{ - 2} \\ 9 - x = {9}^{2} \\ 9 - x = 81 \\ x = 9 - 81 \\ x = - 72$

Answer 2

log_(1/9)(9 – x) = – 2
9 – x = (1/9)^(– 2)
9 – x = 9^2
9 – x = 81
x = 9 – 81
x = – 72
------------------------------------------------