charliomgclare charliomgclare 02-06-2023 Mathematics Answered Which correctly shows the substitution step for the system? y = x - 4 -4x - 6y = -16 O x-4 = -4x-6y -4(x-4) - 6y = -16 O-4x-6(x-4) = -16 6y = x - 4