question: Teacher asked me this: Solve 2142*w - 55638 - 152335 - 51209 = 0 for w.
++++++++++
answer: 121

question: Teacher asked me this: Solve -6*n - 1274 = -50*n - 54*n for n.
++++++++++
answer: 13

question: Teacher asked me this: Solve x + 50 - 54 = 0 for x.
++++++++++
answer: 4

question: Teacher asked me this: Solve 38*z - 4680 = -91*z - 231*z for z.
++++++++++
answer:
13