question: Teacher asked me this: Solve -60*r - 114 = 54*r for r.
++++++++++
answer: -1

question: Teacher asked me this: Solve -57 = -42*c + 21*c + 18*c for c.
++++++++++
answer: 19

question: Teacher asked me this: Solve -3277*l = -3280*l + 36 for l.
++++++++++
answer: 12

question: Teacher asked me this: Solve -12*g + 25*g = 59*g - 414 for g.
++++++++++
answer:
9