Jawaban:
2x + 2y - 2z = 4
x + 3y + z = 16
3x + y + 2z = 6
2x+2y-2z=4 (dikalikan 1)
x+3y+z=16 (dikalikan 2)
2x+2y-2z=4
2x+6y+2z=32
di kurangkan(eliminasi X)
-4y-4z=-28(persamaan 1)
x+3y+z=16(kalikan 3)
3x+y+2z=6(kalikan 1)
3x+9y+3z=48
3x+y+2z=6
dikurangkan (eliminasi X)
8y+z=42(persamaan 2)
-4y-4z=-28(kalikan 2)
8y+z=42(kalikan 1)
-8y-8z=-56
8y+z=42
ditambahkan (eliminasi y)
-7z=-14
z=2
8y+(2)=42
8y=40
Y=5
x+3y+z=16
x+3(5)+(2)=16
x+15+2=16
x=-1
HP(-1,5,2)
jawaban tercerdas nya kaka
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Jawaban:
2x + 2y - 2z = 4
x + 3y + z = 16
3x + y + 2z = 6
2x+2y-2z=4 (dikalikan 1)
x+3y+z=16 (dikalikan 2)
2x+2y-2z=4
2x+6y+2z=32
di kurangkan(eliminasi X)
-4y-4z=-28(persamaan 1)
x+3y+z=16(kalikan 3)
3x+y+2z=6(kalikan 1)
3x+9y+3z=48
3x+y+2z=6
dikurangkan (eliminasi X)
8y+z=42(persamaan 2)
-4y-4z=-28(kalikan 2)
8y+z=42(kalikan 1)
-8y-8z=-56
8y+z=42
ditambahkan (eliminasi y)
-7z=-14
z=2
8y+z=42
8y+(2)=42
8y=40
Y=5
x+3y+z=16
x+3(5)+(2)=16
x+15+2=16
x=-1
HP(-1,5,2)
jawaban tercerdas nya kaka