Question

2x-5y= -9
x+4y=2
Me ayudan

Answer 1

Respuesta:

X= -2 Y= 1

Explicación paso a paso:

2x -5y = -9--> (x1) --> 2x -5y = -9

X + 4y = 2 -->(x-2) --> -2x -8y = -4

--> 0x -13y = -13--> y= -13÷-13 = 1

x= 2 (- 4 x 1) = 2 - 4 = -2