Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

3^(1-3*x) == 81

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

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

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

1-3*x == 4

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

3*x == -3

⇒ algebra.equations.coverup.times

x == -1