Question

sari06bulan

bantuin dongg

X + 2y +2 =7
2x+ y +2 = 4
X + y - 2 =-3
x+y +Z=3 2
X - y +22 = 1
X -2y +Z=0
RR ds
Subsihesn
31 X -2y+22=-|
2x -y -32 =g
3x +2y -2 = 3
1

substitusi

Answer 1

me

no 1