question: Teacher asked me this: Solve 4*z = z + 4*z for z.
++++++++++
answer: 0

question: Teacher asked me this: Solve -9*m = 12*m + 63 for m.
++++++++++
answer: -3

question: Teacher asked me this: Solve 53*a - 2106 = 1664 - 1385 for a.
++++++++++
answer: 45

question: Teacher asked me this: Solve -289*y + 3429 = -906 for y.
++++++++++
answer:
15