question: Teacher asked me this: Solve 1712*b = 1739*b + 675 for b.
++++++++++
answer: -25

question: Teacher asked me this: Solve s = -37 + 34 for s.
++++++++++
answer: -3

question: Teacher asked me this: Solve 6*u + 4*u = -31*u + 164 for u.
++++++++++
answer: 4

question: Teacher asked me this: Solve 81 = 9*o + 18 for o.
++++++++++
answer:
7