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Which solution matches both equations: 2x+2y=-2 and 2x+3y=-4? (1, 2) or multiple solutions?

2007-04-03 18:07:18 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

x=1 y=2

2x+2y =-2
2(1)+2(2)=-2
2+4 =-2
2+4+2 =0
8 =0

And like that

2007-04-03 19:42:35 · answer #1 · answered by Anonymous · 1⤊ 0⤋

(1, - 2)

2007-04-03 18:13:18 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋

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