question: Teacher asked me this: Solve -57*s = -110*s - 112*s + 330 for s.
++++++++++
answer: 2

question: Teacher asked me this: Solve 0 = 22*m - 8*m + 140 for m.
++++++++++
answer: -10

question: Teacher asked me this: Solve 7*l = 6*l + 2 for l.
++++++++++
answer: 2

question: Teacher asked me this: Solve -3*n = -196 + 205 for n.
++++++++++
answer:
-3