persamaan linear dua variable yang salah satu penyelesaianya (2,-2) adalah..
A. X + Y = 2 X + Y = 2
2 + Y = 2 -2 +Y =3
Y = 2/2 Y = 2/-2
Y = 1 Y = 1
B. X-Y=2 X-Y=2
2-y=2 -2-Y=2
-Y= 2/2 = 1. -Y= 2/2 = -1
Y= -1 Y = 1
SEMOGA MEMBANTU YAA
A. X + Y = 2 X + Y = 2
2 + Y = 2 -2 +Y =3
Y = 2/2 Y = 2/-2
Y = 1 Y = 1
B. X-Y=2 X-Y=2
2-y=2 -2-Y=2
-Y= 2/2 = 1. -Y= 2/2 = -1
Y= -1 Y = 1
SEMOGA MEMBANTU YAA