question: Teacher asked me this: Solve 3*t + 16*t + 38 = 0 for t.
++++++++++
answer: -2

question: Teacher asked me this: Solve -v + 0 - 3 = 0 for v.
++++++++++
answer: -3

question: Teacher asked me this: Solve 493 = 37*o + 526*o + 6995 + 1380 for o.
++++++++++
answer: -14

question: Teacher asked me this: Solve 12 = 6*f - 2*f for f.
++++++++++
answer:
3