question: Teacher asked me this: Solve -3145 = -573*u + 10815 + 25036 + 7417 for u.
++++++++++
answer: 81

question: Teacher asked me this: Solve 0 = 547*o - 541*o + 36 for o.
++++++++++
answer: -6

question: Teacher asked me this: Solve 0 = -369*z + 342*z - 297 for z.
++++++++++
answer: -11

question: Teacher asked me this: Solve -16838*w = -16785*w - 689 for w.
++++++++++
answer:
13