question: Teacher asked me this: Solve 91*k - 121*k = 150 for k.
++++++++++
answer: -5

question: Teacher asked me this: Solve 1 = -6*g - 17 for g.
++++++++++
answer: -3

question: Teacher asked me this: Solve -81*n + 8*n = -13*n - 33*n + 2376 for n.
++++++++++
answer: -88

question: Teacher asked me this: Solve -543*k + 520*k = 0 for k.
++++++++++
answer:
0