Metode campuran/gabungan (eliminasi – subtitusi)y = 2x – 47x – 2y = 5
y = 2x – 4
2x – y = 4 |× 2|
7x – 2y = 5 |× 1|
4x – 2y = 8
7x – 2y = 5
————— –
-3x = 3
x = -1
y = 2(-1) – 4
= -2 – 4
= -6
Metode campuran/gabungan (eliminasi – subtitusi)y = 2x – 47x – 2y = 5
y = 2x – 4
2x – y = 4 |× 2|
7x – 2y = 5 |× 1|
4x – 2y = 8
7x – 2y = 5
————— –
-3x = 3
x = -1
y = 2(-1) – 4
= -2 – 4
= -6