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27^x = 9^(x − 4) x = 8 x = 4 x = −4 x = −8

27^x = 9^(x − 4) x = 8 x = 4 x = −4 x = −8
asked 54.3k views
5 votes
27^x = 9^(x − 4)

x = 8
x = 4
x = −4
x = −8

asked
User Moodh
by
8.3k points

1 Answer

3 votes

Explanation:

27^x = 9^(x - 4)

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

3x = 2(x - 4)

3x = 2x - 8

3x - 2x = -8

x = -8

answered
User Fabio Ebner
by
8.3k points
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