Tentukan penyelesaian dari setiap sistem berikut dengan metode eliminasi! a.{4s-2t-18=0 {-3s+4t+26=0 b.{6m+2n+11=0 {-4m-3n=19

a) 4s - 2t = 18 |×2
- 3s + 4t = - 26
8s - 4t = 36
- 3s + 4t = - 26
----------------------(+)
5s = 10
s = 2

4s - 2t = 18 |×3
- 3s + 4t = - 26 |×4
12s - 6t = 54
- 12s + 16t = - 104
--------------------------(+)
10t = - 50
t = - 10

hp = {2, -10}

b) 6m + 2n = - 11 |×2
- 4m - 3n = 19 |×3
12m + 4n = - 22
- 12m - 9n = 57
-----------------------(+)
- 5n = 35
n = - 7

6m + 2n = - 11 |×3
- 4m - 3n = 19 |×2
18m + 6n = - 33
- 8m - 6n = 38
-----------------------(+)
10m = 5
m = ½

hp = {½ , - 7}