question: Teacher asked me this: Solve 496*s - 457*s + 1209 = 0 for s.
++++++++++
answer: -31

question: Teacher asked me this: Solve 94 + 206 = z - 13*z for z.
++++++++++
answer: -25

question: Teacher asked me this: Solve -131*t = 165 - 820 for t.
++++++++++
answer: 5

question: Teacher asked me this: Solve -331*d = -885*d + 392*d - 7614 for d.
++++++++++
answer:
-47