question: Teacher asked me this: Solve 85*o = -26*o - 54*o - 165 for o.
++++++++++
answer: -1

question: Teacher asked me this: Solve 117*i + 102*i - 50403 = -59382 for i.
++++++++++
answer: -41

question: Teacher asked me this: Solve -12*u = -21 - 15 for u.
++++++++++
answer: 3

question: Teacher asked me this: Solve 1202*h + 14345 - 20355 = 27646 for h.
++++++++++
answer:
28