Question

find the value of x if 3 raise to the power x - 1 = 18​

Answer 1

Answer:

3

x

−3

x−1

=18

⇒3

x

−

3

3

x

=18

⇒3

x

(

3

2

)=18

3

x−1

.2=3

2

.2

x−1=2

∴x=3

x

x

=3

3

=27.

Hence, the answer is 27.