QUESTION: Math problem: Solve 175*x - 189*x + 28 = 0 for x.
ANS: 2
QUESTION: Math problem: Solve -4667 = 306*s + 53*s for s.
ANS: -13
QUESTION: Math problem: Solve 2254 = 17*u + 293*u + 12*u for u.
ANS: 7
QUESTION: Math problem: Solve -139*v + 2158 = -305*v for v.
ANS:
-13