Question

1. Resuelve:
2x + y = 3
3x + y = 1
a) (5;7)
b) (-5;7)
c) (-7;-5)
d) (7; 5)
e) (-2; 7)​

Answer 1

es la e)

$2 \times - 2 = - 4 + 7 = 3$

$3 \times - 2 = - 3 + 7 = 1$