question: Teacher asked me this: Solve 48*v - 9*v = 195 for v.
++++++++++
answer: 5

question: Teacher asked me this: Solve -699*r - 3800 - 11844 = 3229 for r.
++++++++++
answer: -27

question: Teacher asked me this: Solve 582*w - 254*w + 291 + 1254 = 225*w for w.
++++++++++
answer: -15

question: Teacher asked me this: Solve -313 - 575 = -110*f + 872 for f.
++++++++++
answer:
16