question: Teacher asked me this: Solve 107*v - 744 = 45*v for v.
++++++++++
answer: 12

question: Teacher asked me this: Solve -18845 + 18285 = 35*q for q.
++++++++++
answer: -16

question: Teacher asked me this: Solve 3866 = -127*a + 945 for a.
++++++++++
answer: -23

question: Teacher asked me this: Solve 477*r - 180*r = -417*r - 19992 for r.
++++++++++
answer:
-28