question: Teacher asked me this: Solve 55 = 18*u - 17 for u.
++++++++++
answer: 4

question: Teacher asked me this: Solve -1816*d = -1432*d - 14592 for d.
++++++++++
answer: 38

question: Teacher asked me this: Solve -6460 = 20*t - 364*t + 3860 for t.
++++++++++
answer: 30

question: Teacher asked me this: Solve 148*r = 295 + 1185 for r.
++++++++++
answer:
10