QUESTION: Math problem: Solve 7 + 507 + 71 = -15*u for u.
ANS: -39
QUESTION: Math problem: Solve -4162*u + 90 = -4177*u for u.
ANS: -6
QUESTION: Math problem: Solve 279 = 19*h + 108 for h.
ANS: 9
QUESTION: Math problem: Solve 0 = 9*g + 72 - 18 for g.
ANS:
-6