2x-5y-5=0 dan x-2y+6=0
Matematika
yogaananda4768
Pertanyaan
2x-5y-5=0 dan x-2y+6=0
1 Jawaban
-
1. Jawaban Anonyme
Kelas 8 Matematika
Bab Persamaan Linear
x - 2y + 6 = 0
x = 2y - 6
2x - 5y - 5 = 0
2 (2y - 6) - 5y - 5 = 0
4y - 12 - 5y - 5 = 0
-y = 17
y = -17
x = 2y - 6
x = 2 . (-17) - 6
x = -34 - 6
x = -40
Maka,
x = -40
y = -17