question: Teacher asked me this: Solve 78*s - 242*s + 62 = -594 for s.
++++++++++
answer: 4

question: Teacher asked me this: Solve -171*r - 1058 = 3187 + 885 for r.
++++++++++
answer: -30

question: Teacher asked me this: Solve -22*t - 975 + 1129 = 0 for t.
++++++++++
answer: 7

question: Teacher asked me this: Solve 487*u - 6549 - 24555 = -2105*u for u.
++++++++++
answer:
12