QUESTION: Math problem: Solve -14*u + 12*u = -4 for u.
ANS: 2
QUESTION: Math problem: Solve -41*l = 92 - 10 for l.
ANS: -2
QUESTION: Math problem: Solve 245*a - 577 = -113*a + 1929 for a.
ANS: 7
QUESTION: Math problem: Solve 15 = 2*u - 5*u for u.
ANS:
-5