Tentukan himpunan penyelesaian SPLDV berikut dengan metode substitusi. A.3s-t=-6 dan 10s+t=32

3s-t=-6
3s+6 = t
t = 3s – 6

10s+t =32
10s +3s +6 =32
13s + 6= 32
13s = 32 – 6
13s = 26
s = 26 ÷ 2 = 13
s = 13

t = 3s – 6
t = 3×13-6
t = 39 – 6
t = 33