lightmoon
lightmoon
11-03-2015
Mathematics
contestada
Please answer quickly
Respuesta :
Panoyin
Panoyin
12-03-2015
1. C. there is no solution
2. B. inconsistent
3. 6x + 6y = -6 ⇒ 30x + 30y = -30
5x + 1y = -13 ⇒
30x + 6y = -78
24y
=
48
24 24
y = 2
6x + 6(2) = -6
6x + 12 = -6
-12 -12
6x
=
-18
6 6
x = -3
(x, y) = (-3,2)
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