Mathematics, 30.03.2020 22:24, ReaLily

42) 3x +9y=12
--x-9y=-10
A) (1,-1)
C) (-1,-1)
B) (1,1)
D) (-1,1)

Answers: 3

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42) 3x +9y=12
--x-9y=-10
A) (1,-1)
C) (-1,-1)
B) (1,1)
D) (-1,1)...