question: Teacher asked me this: Solve 0 = -143*w + 35*w - 216 for w.
++++++++++
answer: -2

question: Teacher asked me this: Solve 6*i - 20 = 11*i for i.
++++++++++
answer: -4

question: Teacher asked me this: Solve 10*h = -6*h + 24*h for h.
++++++++++
answer: 0

question: Teacher asked me this: Solve -2 = 39*v - 2 for v.
++++++++++
answer:
0