Roberto bought a new recliner. He was able to pay $200 at the time he received the recliner. He will pay $20 each month on the balance. The original cost of the recliner was $400. A. Let x represent the number of months needed to pay off the cost of the recliner. Explain how the equation 200 + 20 = 400 represents this situation. Solve the equation. How many months will it take Roberto to pay off the recliner?