question: Teacher asked me this: Solve 14*y = 5*y for y.
++++++++++
answer: 0

question: Teacher asked me this: Solve -10*k = 8*k - 3*k - 195 for k.
++++++++++
answer: 13

question: Teacher asked me this: Solve -112*a + 188 + 40 = -444 for a.
++++++++++
answer: 6

question: Teacher asked me this: Solve -20 = 153*u - 149*u for u.
++++++++++
answer:
-5