question: Teacher asked me this: Solve -40*z = -16*z - 120 for z.
++++++++++
answer: 5

question: Teacher asked me this: Solve 3715 = -68*x + 519 for x.
++++++++++
answer: -47

question: Teacher asked me this: Solve 19*m - 12 = 8*m + 7*m for m.
++++++++++
answer: 3

question: Teacher asked me this: Solve 2*x - 13*x = -44 for x.
++++++++++
answer:
4