question: Teacher asked me this: Solve 7*n + 9 = -5 for n.
++++++++++
answer: -2

question: Teacher asked me this: Solve 306*u = -47 + 353 for u.
++++++++++
answer: 1

question: Teacher asked me this: Solve -5*c - 177 = -53 + 156 for c.
++++++++++
answer: -56

question: Teacher asked me this: Solve 10*h + 159 = 239 for h.
++++++++++
answer:
8