Question

Find the value of x
3^{x + 1} - 3^x = 2

Answer 1

the value of x is zero

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Answer 2

`\boxed{x = 0}`

Explanation:

`3^(x + 1) - 3^x = 2`

`3.3^x - 3^x = 2`

`(3 - 1)3^x = 2`

`2.3^x = 2`

`3^x = (2)/(2)`

`3^x = 1`

`3^x = 3^0`

`x = 0`