Exercise algebra.manipulation.exponential.equation
Description
solve exponential equation algebraically
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
3^(x-1) == 9^2
⇒ algebra.manipulation.exponents.factor-as-power3^(x-1) == (3^2)^2
⇒ algebra.manipulation.exponents.mul-exponents3^(x-1) == 3^4