Va rog rapid!...........................

|2x-y+1|+|x+2y+3|=0 (1)
|2x-y+1|≥0 (2)
|x+2y+3|≥0 (3)
Din (1), (2) si (3) =>
2x-y+1=0 si
x+2y+3=0
y=2x+1
=> x+2(2x+1)+3=0
x+4x+2+3=0
5x=-5 => x= -1
y= -2+1
y= -1