question: Teacher asked me this: Solve -987*t = -977*t + 40 for t.
++++++++++
answer: -4

question: Teacher asked me this: Solve 8684*r + 126438 - 266397 = -554*r + 118705 for r.
++++++++++
answer: 28

question: Teacher asked me this: Solve 1501*k - 76 = 722*k + 755*k + 620 for k.
++++++++++
answer: 29

question: Teacher asked me this: Solve -8040178*p = -8040143*p + 175 for p.
++++++++++
answer:
-5