Exercise algebra.manipulation.exponential.equation
Description
solve exponential equation algebraically
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
98 == 2*7^(4*x-1)
⇒ algebra.equations.coverup.times49 == 7^(4*x-1)
⇒ algebra.manipulation.exponents.factor-as-power7^2 == 7^(4*x-1)
⇒ algebra.manipulation.exponents.equation.same-base2 == 4*x-1
⇒ algebra.equations.coverup.onevar.minus-left3 == 4*x
⇒ algebra.equations.coverup.times3/4 == x
⇒ algebra.equations.linear.flipx == 3/4