Question

1.
3x - y = 5
-5x+2y = 7
2.
x+y = -1
2x - y ==3
3.
x+2y=0
2x+3y=-5
4.
3x+y = 6
5x-2y=10​
ayuda

Answer 1

Respuesta:

1.

x= 3 y= 4

x=3 y= 11

2.

x= 2/3 y= - 1/3

3.

x= 10 y= 5

x= 5 y= -5

4.

x= 2 y= 0