SpeechlessZzz
SpeechlessZzz
18-02-2017
Mathematics
contestada
-3x + 2y= -3, y= 4x + 1
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Аноним
Аноним
18-02-2017
-3x+2y=-3
(y-4x=1)x2
-3x+2y-2y+8x=-5
5x=-5
x=-1
-3x+2y=-3
-3(-1)+2y=-3
2y=-6
y=-3
So you answers are X=-1, Y=-3
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