Soal; 3x+2y-z=18
x+4y+z =20
-2x+y-z=3
jawaban;
3x+2y-z=18
x+4y+z=20 ( dijumlah)
#4x+6y =38
-2x+y-z =3 ( dikurangi)
# 2x+5y-z=35
-z=35-2x-5y
apakah jawaban saya bnar?
x+4y+z =20
-2x+y-z=3
jawaban;
3x+2y-z=18
x+4y+z=20 ( dijumlah)
#4x+6y =38
-2x+y-z =3 ( dikurangi)
# 2x+5y-z=35
-z=35-2x-5y
apakah jawaban saya bnar?
hadiatitri
6x + 5y + z = 35 itu
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