Exercise algebra.manipulation.exponential.equation
Description
solve exponential equation algebraically
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
5*2^(1-4*x) == 40
⇒ algebra.equations.coverup.times2^(1-4*x) == 8
⇒ algebra.manipulation.exponents.factor-as-power2^(1-4*x) == 2^3
⇒ algebra.manipulation.exponents.equation.same-base1-4*x == 3
⇒ algebra.equations.coverup.onevar.minus-right4*x == -2
⇒ algebra.equations.coverup.timesx == -1/2