question: Teacher asked me this: Solve 38*a = 32*a - 36 for a.
++++++++++
answer: -6

question: Teacher asked me this: Solve 83*z - 28*z = 46*z - 81 for z.
++++++++++
answer: -9

question: Teacher asked me this: Solve -463 = 74*r + 277 for r.
++++++++++
answer: -10

question: Teacher asked me this: Solve -10 = -3*w + 2 for w.
++++++++++
answer:
4