27^x = 9^(x − 4)

x = 8
x = 4
x = −4
x = −8

Step-by-step explanation:

27^x = 9^(x - 4)

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

3x = 2(x - 4)

3x = 2x - 8

3x - 2x = -8

x = -8

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