Mathematics, 22.03.2021 07:20 bri9263

Which of the following systems has an infinite number of solutions? A. x+y=1 and x−y=1
B. x+y=1 and x+y=−1
C. x+y=1 and −x−y=−1
D. x+y=1 and x+y=2

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Which of the following systems has an infinite number of solutions? A. x+y=1 and x−y=1
B. x...