Mathematics, 18.10.2020 01:01 genyjoannerubiera
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Which system of equations is equivalent to the following system?
4x + y = 4
2x + 7y = 28
A. 4x + y = 4
−2x − 7y = 28
B. 4x + y = 4
−8x − 28y = 112
C.−28x − 7y = −28
2x + 7y = 28
D. −8x − 2y = 8
2x + 7y = 28
Answers: 1
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