QUESTION: Math problem: Solve 0 = -523*a - 415*a for a.
ANS: 0
QUESTION: Math problem: Solve -13*z - 63 + 24 = 0 for z.
ANS: -3
QUESTION: Math problem: Solve 8 = 9*k - 1 for k.
ANS: 1
QUESTION: Math problem: Solve 55*u = -30*u + 410 - 1090 for u.
ANS:
-8