Question

3 to the power x - 1 is equal to 1 upon 27

Answer 1

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Answer 2

3^{ x - 1 } = 1 / 27

3^{ x - 1 } = 1 / 3³

3^{ x - 1 } = 3^{ - 3 }



If bases are equal, powers are also equal.


x - 1 = - 3


adding 1 on both sides,

x - 1 + 1 = - 3 + 1

x = - 2


Therefore, the value of x satisfying the equation is - 2 .

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