question: Teacher asked me this: Solve 3573 = 10*i + 3613 for i.
++++++++++
answer: -4

question: Teacher asked me this: Solve -8 - 32 = -20*t for t.
++++++++++
answer: 2

question: Teacher asked me this: Solve -32*c = 25*c - 111*c + 42*c - 660 for c.
++++++++++
answer: -55

question: Teacher asked me this: Solve 5*r = 3*r - 2 for r.
++++++++++
answer:
-1