x+y = 12 x+y+z =13 x-y-z = 3 nilai (x.y.z) adalah.. mohon bantu dong pleasee
Matematika
triyaindriyani1
Pertanyaan
x+y = 12
x+y+z =13
x-y-z = 3
nilai (x.y.z) adalah..
mohon bantu dong pleasee
x+y+z =13
x-y-z = 3
nilai (x.y.z) adalah..
mohon bantu dong pleasee
1 Jawaban
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1. Jawaban Anonyme
SPLTV
x + y = 12
x + y + z = 13
12 + z = 13
z = 1 ✓
x + y + z = 13
x - y - z = 3
Jumlahkan
2x = 16
x = 8 ✓
x + y = 12
8 + y = 12
y = 4 ✓