question: Teacher asked me this: Solve -t + 5*t - 20 = 0 for t.
++++++++++
answer: 5

question: Teacher asked me this: Solve 24 = -37*y + 43*y for y.
++++++++++
answer: 4

question: Teacher asked me this: Solve -105*i = -159*i - 83*i + 3973 for i.
++++++++++
answer: 29

question: Teacher asked me this: Solve -539*s = 576*s - 1026*s - 89 for s.
++++++++++
answer:
1