George walked around the entire perimeter of his rectangular garden. the length of his garden was 12 yards and the width was 8 yards. how far did george walk?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]