question: Teacher asked me this: Solve -101*u + 2860 = -244*u for u.
++++++++++
answer: -20

question: Teacher asked me this: Solve -38*r + 222*r = 11*r - 7612 for r.
++++++++++
answer: -44

question: Teacher asked me this: Solve 25043 = 32*w + 24179 for w.
++++++++++
answer: 27

question: Teacher asked me this: Solve -28*r + 9 + 121 = -158*r for r.
++++++++++
answer:
-1