question: Teacher asked me this: Solve 6 - 12 = 3*a for a.
++++++++++
answer: -2

question: Teacher asked me this: Solve -41*a - 10*a = 27*a - 234 for a.
++++++++++
answer: 3

question: Teacher asked me this: Solve 104*w - 1387 = 42*w + 597 for w.
++++++++++
answer: 32

question: Teacher asked me this: Solve 0 = -63*z + 16 + 362 for z.
++++++++++
answer:
6