question: Teacher asked me this: Solve 23*r + 977 = 272*r - 94*r - 1193 for r.
++++++++++
answer: 14

question: Teacher asked me this: Solve 9*c - 4*c = 15 for c.
++++++++++
answer: 3

question: Teacher asked me this: Solve -4*l - 2 = 2 for l.
++++++++++
answer: -1

question: Teacher asked me this: Solve -3*h = -0*h - 9 for h.
++++++++++
answer:
3