question: Teacher asked me this: Solve 6 + 38 = -234*u + 278*u for u.
++++++++++
answer: 1

question: Teacher asked me this: Solve -54*q - 3*q - 1801 = 1022 - 600 for q.
++++++++++
answer: -39

question: Teacher asked me this: Solve -643*f + 463*f - 726 = 174 for f.
++++++++++
answer: -5

question: Teacher asked me this: Solve -16*o = -23*o + 35 for o.
++++++++++
answer:
5