Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

189 == 7*3^(2*x+1)
algebra.equations.coverup.times
27 == 3^(2*x+1)
algebra.manipulation.exponents.factor-as-power
3^3 == 3^(2*x+1)
algebra.manipulation.exponents.equation.same-base
3 == 2*x+1
algebra.equations.coverup.onevar.plus
2 == 2*x
algebra.equations.coverup.times
1 == x
algebra.equations.linear.flip
x == 1