Page 23 - Persamaan linier dua variabel
P. 23
Eliminasi variabel y
3 + 2 = 21 × 7 21 + 14 = 147
× 2 10 − 14 = 8
5 − 7 = 4
+
31 = 155
155
=
31
= 5
∴ ({5,3})
20
