211k views
2 votes
Solve for x 27=9^x-1

User Rao
by
8.5k points

1 Answer

2 votes
27 = 9^x-1

3^3 = 9^x-1


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

3 = 2 (x-1)

1.5 = x-1

x = 2.5
User Miushock
by
8.1k points