Mathematics, 06.03.2022 04:10 dragongacha777

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