Exercise algebra.manipulation.exponential.equation
Description
solve exponential equation algebraically
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
2^(x+2) == 1/4
⇒ algebra.manipulation.exponents.factor-as-power2^(x+2) == 1/2^2
⇒ algebra.manipulation.exponents.reciprocal2^(x+2) == (2^2)^(-1)
⇒ algebra.manipulation.exponents.mul-exponents2^(x+2) == 2^(-2)
⇒ algebra.manipulation.exponents.equation.same-basex+2 == -2
⇒ algebra.equations.coverup.onevar.plusx == -4