question: Teacher asked me this: Solve 105*g + 13*g - 680 = -18*g for g.
++++++++++
answer: 5

question: Teacher asked me this: Solve -11255*g - 262090 = 356935 for g.
++++++++++
answer: -55

question: Teacher asked me this: Solve 661*f = 366*f for f.
++++++++++
answer: 0

question: Teacher asked me this: Solve 11*z + 43*z + 59 = -5*z for z.
++++++++++
answer:
-1