question: Teacher asked me this: Solve -5*n = -14*n - 18 for n.
++++++++++
answer: -2

question: Teacher asked me this: Solve -14*m - 373 = -303 for m.
++++++++++
answer: -5

question: Teacher asked me this: Solve 0 = 387*z - 222*z + 2015 + 1120 for z.
++++++++++
answer: -19

question: Teacher asked me this: Solve 51*u = -120*u - 2223 for u.
++++++++++
answer:
-13