Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

7*3^(2*x+1) == 189

⇒ algebra.equations.coverup.times

3^(2*x+1) == 27

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

3^(2*x+1) == 3^3

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

2*x+1 == 3

⇒ algebra.equations.coverup.onevar.plus

2*x == 2

⇒ algebra.equations.coverup.times

x == 1