# 5.3.1 Example 1 (Index Equation – Equal base)

Example 1
Solve each of the following.
(a) ${16}^{x}=8$
(b) ${9}^{x}{.3}^{x-1}=81$
(c) ${5}^{n+1}=\frac{1}{{125}^{n-1}}$

### 2 thoughts on “5.3.1 Example 1 (Index Equation – Equal base)”

1. Question (b)
9 should be 3 square, not 3 cube.

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