question: Teacher asked me this: Solve 0 = 7*w + 1 + 13 for w.
++++++++++
answer: -2

question: Teacher asked me this: Solve -13*u = -30*u - 17 for u.
++++++++++
answer: -1

question: Teacher asked me this: Solve 5759 = 10*c + 45*c + 149 for c.
++++++++++
answer: 102

question: Teacher asked me this: Solve 13*g - 11*g + 4 = 0 for g.
++++++++++
answer:
-2