Question

X-Y=2
2X+2Y=28
Me ajudem Pfv

Answer 1

x - y = 2 * (2)

2x + 2y = 28
___________

2x - 2y = 4

2x + 2y = 28


4x = 32

X = 32/4

X = 8



2y = 28 - 2x

2y = 28 - 16

y = 12/2

y = 6




S = { 8 , 6 }