QUESTION: Math problem: Solve 0 = 220*k - 228*k - 24 for k.
ANS: -3
QUESTION: Math problem: Solve 161 + 171 = -28*y + 24 for y.
ANS: -11
QUESTION: Math problem: Solve 6 = -a + 4 for a.
ANS: -2
QUESTION: Math problem: Solve 4*k = 8*k + 16 for k.
ANS:
-4