Asystem of equations and its solution are given below. system a x = 6y = 5 3x - 7y = -35 solution: (-7, 2) choose the correct option that explains what steps were followed to obtain the system of equations below. system b x + 6y = 5 -25y = -50 a. to get system b, the second equation in system a was replaced by the sum of that equation and the first equation multiplied by 3. the solution to system b will not be the same as the solution to system a. b. to get system b, the second equation in system a was replaced by the sum of that equation and the first equation multiplied by -5. the solution to system b will be the same as the solution to system a. c. to get system b, the second equation in system a was replaced by the sum of that equation and the first equation multiplied by -3. the solution to system b will be the same as the solution to system a. d. to get system b, the second equation in system a was replaced by the sum of that equation and the first equation multiplied by 7. the solution to system b will not be the same as the solution to system a.