1. The problem is to verify if a given answer satisfies an equation or condition by plugging it in. 2. To check correctness, substitute the proposed answer into the original equation. 3. Simplify the expression after substitution. 4. If both sides of the equation are equal after substitution, the answer is correct. 5. If not, the answer is incorrect. Since no specific equation or answer was provided, please provide the equation and the proposed answer to verify.