question: Teacher asked me this: Solve 2108*f = 63395 + 25141 for f.
++++++++++
answer: 42

question: Teacher asked me this: Solve -75*g - 29*g - 973 = 35*g for g.
++++++++++
answer: -7

question: Teacher asked me this: Solve 7*u + 12 = -9 for u.
++++++++++
answer: -3

question: Teacher asked me this: Solve -193*a + 1 = -194*a for a.
++++++++++
answer:
-1