question: Teacher asked me this: Solve -47*t + 467 = 138 for t.
++++++++++
answer: 7

question: Teacher asked me this: Solve -7 = 22*f + 37 for f.
++++++++++
answer: -2

question: Teacher asked me this: Solve -42*t + 38*t = -16 for t.
++++++++++
answer: 4

question: Teacher asked me this: Solve 3305*s + 513 + 8385 = 1209*s - 2353*s for s.
++++++++++
answer:
-2