question: Teacher asked me this: Solve -45*s + 2*s = 19*s for s.
++++++++++
answer: 0

question: Teacher asked me this: Solve -694765 + 696364 = -41*h for h.
++++++++++
answer: -39

question: Teacher asked me this: Solve 121*q + 20*q + 55*q - 1764 = 0 for q.
++++++++++
answer: 9

question: Teacher asked me this: Solve 0 = 9*m - 16*m + 7 for m.
++++++++++
answer:
1