QUESTION: Math problem: Solve 6999 = 940*k - 28455 - 20946 for k.
ANS: 60
QUESTION: Math problem: Solve -7*d + 2 = -9*d for d.
ANS: -1
QUESTION: Math problem: Solve 2491*s + 2 = 2490*s for s.
ANS: -2
QUESTION: Math problem: Solve 257*j + 557 = -2270 for j.
ANS:
-11