Question

resolva esse sistema
Me ajudem

Answer 1

x+2y= 8
2x-y= 6

x= 8-2y

2×(8-2y)-y= 6
16-4y-y= 6
-5y= 6-16
-5y= -10 . (-1)
y= 10/5
y= 2.

x= 8-2y
x= 8-2×(2)
x= 8-4
x= 4.