question: Teacher asked me this: Solve 262*u - 402*u = 1260 for u.
++++++++++
answer: -9

question: Teacher asked me this: Solve -119*u = 273*u - 74*u + 151*u + 2814 for u.
++++++++++
answer: -6

question: Teacher asked me this: Solve -1421*s - 1029*s = -535*s + 40215 for s.
++++++++++
answer: -21

question: Teacher asked me this: Solve -18*h + 22*h - 20 = 0 for h.
++++++++++
answer:
5