question: Teacher asked me this: Solve 12*y - 5*y = -5*y for y.
++++++++++
answer: 0

question: Teacher asked me this: Solve 3302*y - 6584*y = -3368*y - 1118 for y.
++++++++++
answer: -13

question: Teacher asked me this: Solve 21 = -38*m - 24 - 31 for m.
++++++++++
answer: -2

question: Teacher asked me this: Solve 210*v - 219*v = 117*v - 1512 for v.
++++++++++
answer:
12