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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