question: Teacher asked me this: Solve -243*o = -63*o - 102*o + 4290 for o.
++++++++++
answer: -55

question: Teacher asked me this: Solve 0 = -70*z - 30 - 40 for z.
++++++++++
answer: -1

question: Teacher asked me this: Solve -1177*r = -1183*r + 24 for r.
++++++++++
answer: 4

question: Teacher asked me this: Solve 40*h = 37*h - 20*h + 736 for h.
++++++++++
answer:
32