Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

81 == 3^(x-1)

⇒ algebra.manipulation.exponents.factor-as-power

3^4 == 3^(x-1)

⇒ algebra.manipulation.exponents.equation.same-base

4 == x-1

⇒ algebra.equations.coverup.onevar.minus-left

5 == x

⇒ algebra.equations.linear.flip

x == 5