question: Teacher asked me this: Solve 3802*u - 164030 = 312*u for u.
++++++++++
answer: 47

question: Teacher asked me this: Solve -7*f - 4209 + 4195 = 0 for f.
++++++++++
answer: -2

question: Teacher asked me this: Solve -14*z = 481*z + 7920 for z.
++++++++++
answer: -16

question: Teacher asked me this: Solve 7*o = 40*o + 33 for o.
++++++++++
answer:
-1