question: Teacher asked me this: Solve -247*k + 283*k = -1008 for k.
++++++++++
answer: -28

question: Teacher asked me this: Solve -42 = 31*x + 206 for x.
++++++++++
answer: -8

question: Teacher asked me this: Solve 242047*u = 242062*u - 120 for u.
++++++++++
answer: 8

question: Teacher asked me this: Solve 272*y - 770 = 195*y for y.
++++++++++
answer:
10