alexkamm
alexkamm
28-01-2015
Mathematics
contestada
5x + 2y = -8
9x - 4y = -22
Respuesta :
natcurren17
natcurren17
28-01-2015
2(5x+2y)=2(-8)
10x+4y=-16
+9x-4y=-22
____________
19x=-38
x=-2
5(-2)+2y=-8
-10+2y=-8
2y=2
y=1
(-2,1)
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