question: Teacher asked me this: Solve 0 = -1129*s + 532*s - 17313 for s.
++++++++++
answer: -29

question: Teacher asked me this: Solve 38*s = 28*s + 20 for s.
++++++++++
answer: 2

question: Teacher asked me this: Solve 909 = 2*j - 40*j - 63*j for j.
++++++++++
answer: -9

question: Teacher asked me this: Solve -2*t + 23*t - t = -40 for t.
++++++++++
answer:
-2