question: Teacher asked me this: Solve 5*u - 171 = -156 for u.
++++++++++
answer: 3

question: Teacher asked me this: Solve 58*w + 1683 = -1333 for w.
++++++++++
answer: -52

question: Teacher asked me this: Solve 0 = -891*t - 5873 + 1418 for t.
++++++++++
answer: -5

question: Teacher asked me this: Solve 6*v = -4*v - 40 for v.
++++++++++
answer:
-4