Question

find the value of x
​

Answer 1

Answer:

x=3

Step-by-step explanation:

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Answer 2

Answer:

x = 3

Step-by-step explanation:

(3/4)^(x - 1) = 9/16

Now, 9/16 can be written as (3²/4²) => (3/4)²

=> (3/4)^(x - 1) = (3/4)²

Comparing,

x - 1 = 2

∴ x = 2 + 1 => 3              (Signs change to their inverse while switching sides in an equation)