question: Teacher asked me this: Solve -1864*n = 1813*n - 310*n - 63973 for n.
++++++++++
answer: 19

question: Teacher asked me this: Solve -156*h = -116*h - 480 for h.
++++++++++
answer: 12

question: Teacher asked me this: Solve k + 6 = -2*k for k.
++++++++++
answer: -2

question: Teacher asked me this: Solve 0 = 24*v + 30 - 6 for v.
++++++++++
answer:
-1