question: Teacher asked me this: Solve -2764 + 2764 = 8*o for o.
++++++++++
answer: 0

question: Teacher asked me this: Solve 0 = -211*r - 250*r - 7376 for r.
++++++++++
answer: -16

question: Teacher asked me this: Solve 19472 = -1127*w + 4377*w + 6486*w for w.
++++++++++
answer: 2

question: Teacher asked me this: Solve -1355*k = 1358*k - 2518*k - 20280 for k.
++++++++++
answer:
104