Question

3^x-1=2^4.5

Answer 1

`3^x-1=2^4 .5`

`=>3^x -1=80`

`=>3^x=80+1`

`=>3^x=81`

`=>3^x=3^4`

`=>x=4`

Answer 2

`3^x-1=2^4 .5`

`3^x -1=80`

`3^x=80+1`

`3^x=81`

`3^x=3^4`

`=>x=4`

Answer 3

`3^x - 1 = 2^4 . 5`

`3^x - 1 = 16 . 5`

`3^x - 1 = 80`

`3^x = 80 + 1`

`3^x = 81`

`=> 3^x = 3^4`

`=> x = 4`

Answer 4

x=27