QUESTION: Math problem: Solve 15 = 18*k - 111 for k.
ANS: 7
QUESTION: Math problem: Solve 0 = 38*h + 37*h for h.
ANS: 0
QUESTION: Math problem: Solve -16*y = -30*y - 84 for y.
ANS: -6
QUESTION: Math problem: Solve -78*w - 8400 = -288*w for w.
ANS:
40