Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

2^(x+2) == 1/4
algebra.manipulation.exponents.factor-as-power
2^(x+2) == 1/2^2
algebra.manipulation.exponents.reciprocal
2^(x+2) == (2^2)^(-1)
algebra.manipulation.exponents.mul-exponents
2^(x+2) == 2^(-2)
algebra.manipulation.exponents.equation.same-base
x+2 == -2
algebra.equations.coverup.onevar.plus
x == -4