Question

решить уравнение: 3^( в степени 15-х) =1/27

Answer 1

3^(15-x) = 1/27
3^(15-x) = 3^(-3)
15 - x = -3
-x = -3 - 15
- x = - 18
x = 18

Answer 2

^(15-x) = 1/27
3^(15-x) = 3^(-3)
15 - x = -3
-x = -3 - 15
- x = - 18
x = 18