Question

27^x = 9^(x − 4)

x = 8
x = 4
x = −4
x = −8

Answer 1

Explanation:

27^x = 9^(x - 4)

3^3x = 3^2(x - 4)

3x = 2(x - 4)

3x = 2x - 8

3x - 2x = -8

x = -8