4s-2t=34 dan 5s+6t= 17

4s-2t=34 |x3|
5s+6t=17 |x1|
•>12s-6t=102
5s+6t=17 ditambah
•>17s=272
s=16
•> 4s-2t=34
4(16)-2t=34
64-2t=34
-2t=-30
t =15

4s-2t = 34
5s+6t= 17

12s - 6t = 102
5s + 6t = 17

17s = 119
s = 119/17
= 7
4(7) - 2t = 34
28 - 2t = 34
-2t = 34 - 28
-2t = 6
t= -3