Find the ordered pair, (s, t) that satisfies the system (s/2) - 3t = -1, 3t - 2s = 3 + s
Add both equations together.
-2s + s/2 = 2 + s
s = -4/5
Substitute
3t + 8/5 = 3 - 4/5
3t = 3/5
t = 1/5