question: Teacher asked me this: Solve -34*u + 41 + 27 = 0 for u.
++++++++++
answer: 2

question: Teacher asked me this: Solve -18*r = 330 - 186 for r.
++++++++++
answer: -8

question: Teacher asked me this: Solve 41*r + 477 = 67 for r.
++++++++++
answer: -10

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