8tug7jcjaa 8tug7jcjaa 16-11-2020 Mathematics contestada Which system of equations is equivalent to the following system? 4x + y = 4 2x + 7y = 28 4x + y = 4 −2x − 7y = 28 4x + y = 4 −8x − 28y = 112 −28x − 7y = −28 2x + 7y = 28 −8x − 2y = 8 2x + 7y = 28
