question: Teacher asked me this: Solve 13*u - 75*u = 0 for u.
++++++++++
answer: 0

question: Teacher asked me this: Solve 650*c - 48306 = -1389*c + 2669 for c.
++++++++++
answer: 25

question: Teacher asked me this: Solve -2473*l + 2336*l + 959 = 0 for l.
++++++++++
answer: 7

question: Teacher asked me this: Solve -217 + 24 = -71*g + 446 for g.
++++++++++
answer:
9