Exercise algebra.manipulation.exponential.equation

Description
solve exponential equation algebraically

Derivation

Final term is not finished

4^(-1) == 2^(x+2)

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

(2^2)^(-1) == 2^(x+2)

⇒ algebra.manipulation.exponents.mul-exponents

2^(-2) == 2^(x+2)