QUESTION: Math problem: Solve 56*r + 66*r = -397*r - 14013 for r.
ANS: -27
QUESTION: Math problem: Solve 833*c - 21192 = 111*c - 63068 for c.
ANS: -58
QUESTION: Math problem: Solve 143*v - 3304 - 2816 = 601 for v.
ANS: 47
QUESTION: Math problem: Solve -23*v + 120 = -18 for v.
ANS:
6