Gunakan metode campuran ! 7X - 3y =1 5x - 2y =2

7x - 3y = 1. (x2)
5x -2y = 2. (x3)
menjadi
14x -6y =2
15x -6y =6
_______ _
-x = -4
x =4
subtitusi
5x-2y =2
5(4)-2y =2
-2y =2-20
y = -18/-2
y. = 9