4x – 3y = 2
please kakak tolong jawab 🙁
Sistem persamaan metode gabungan 3x + 4y = 14
Semoga bermanfaat ya
3x + 4y = 14 –> x 4
4x – 3y = 2 –> x 3
hasilnya
12x + 16y = 56
12x – 9y = 6
pengurangan
25y = 50
y = 50/25 = 2
4x – 3y = 2
4x – 3 x 2 = 2
4x – 6 = 2
4x = 2 + 6 = 8
x = 8/4 = 2
HP : { 2 , 2 }