substitusi 2×+y=0, 7x+5y=1
Matematika
GhandiAdmaWijaya
Pertanyaan
substitusi 2×+y=0, 7x+5y=1
1 Jawaban
-
1. Jawaban NailyKhairiya5
2x+y=0
X=-y/2
7x+5y=1
7.-y/2+5y=1
-7y+10y=2
3y=2 --> y=2/3
X=-2/3:2= -1/3