QUESTION: Math problem: Solve 4*k - 13*k = 0 for k.
ANS: 0
QUESTION: Math problem: Solve -5*d = -8*d - 6*d for d.
ANS: 0
QUESTION: Math problem: Solve -1076 = 132*o + 1212 + 880 for o.
ANS: -24
QUESTION: Math problem: Solve -507*d - 233*d + 21160 = -12880 for d.
ANS:
46