QUESTION: Math problem: Solve 0 = 40*w + 15*w + 30 + 25 for w.
ANS: -1
QUESTION: Math problem: Solve -50*k - 85*k - 874 = -64 for k.
ANS: -6
QUESTION: Math problem: Solve 55*j - 66*j = 66 for j.
ANS: -6
QUESTION: Math problem: Solve 4*k + 3 - 7 = 0 for k.
ANS:
1