QUESTION: Math problem: Solve -1906*f - 76167 = -4754*f - 3011*f for f.
ANS: 13
QUESTION: Math problem: Solve 0 = 475*z - 471*z + 12 for z.
ANS: -3
QUESTION: Math problem: Solve -801*a + 23505 - 1878 = 0 for a.
ANS: 27
QUESTION: Math problem: Solve 709*k - 1135 - 657 = 773*k for k.
ANS:
-28