Mathematics, 22.08.2020 21:01, lberries08

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

Answers: 2

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Which system of equations is equivalent to the following system? 4x + y = 4
2x + 7y = 28