question: Teacher asked me this: Solve -10*h - 68 + 209 = 81 for h.
++++++++++
answer: 6

question: Teacher asked me this: Solve 0 = 70*u + 1959*u - 17342 - 102369 for u.
++++++++++
answer: 59

question: Teacher asked me this: Solve -45*w + 24*w + 134*w = -241*w + 8850 for w.
++++++++++
answer: 25

question: Teacher asked me this: Solve -2191*v + 2198*v = -210 for v.
++++++++++
answer:
-30