question: Teacher asked me this: Solve -58*z - 34*z = -68*z + 144 for z.
++++++++++
answer: -6

question: Teacher asked me this: Solve -49*u = -47*u + 10 for u.
++++++++++
answer: -5

question: Teacher asked me this: Solve 35 = -18*n - 91 for n.
++++++++++
answer: -7

question: Teacher asked me this: Solve -2270*f + 805 - 10629 = 186*f for f.
++++++++++
answer:
-4