question: Teacher asked me this: Solve 90 = -24*u - 72 - 54 for u.
++++++++++
answer: -9

question: Teacher asked me this: Solve -j - 20 + 19 = 0 for j.
++++++++++
answer: -1

question: Teacher asked me this: Solve 1003*c - 608*c - 4915 - 3380 = 0 for c.
++++++++++
answer: 21

question: Teacher asked me this: Solve -363*x - 18345 + 1335 + 312 = 0 for x.
++++++++++
answer:
-46