jenithaflowers9
jenithaflowers9
21-07-2015
Mathematics
contestada
2x+y=5
x+3y=5
a.(5,0)
b.(2,1)
Respuesta :
Panoyin
Panoyin
22-07-2015
2x + 1y = 5 ⇒ 6x + 3y = 15
1x + 3y = 5 ⇒
1x + 3y = 5
5x
=
10
5 5
x = 2
2x + y = 5
2(2) + y = 5
4 + y = 5
- 4 - 4
y = 1
(x, y) = (2, 1)
The answer is B.
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