question: Teacher asked me this: Solve 0 = -5*v + 243 - 298 for v.
++++++++++
answer: -11

question: Teacher asked me this: Solve 0 = -4*d + 11 - 19 for d.
++++++++++
answer: -2

question: Teacher asked me this: Solve -551*v - 33*v + 4736 + 8645 - 63605 = 0 for v.
++++++++++
answer: -86

question: Teacher asked me this: Solve -386*f + 168*f - 195*f - 16107 = 0 for f.
++++++++++
answer:
-39