QUESTION: Math problem: Solve -590 + 644 = -6*m for m.
ANS: -9
QUESTION: Math problem: Solve -450*j = -250*j - 224*j - 192 for j.
ANS: -8
QUESTION: Math problem: Solve -280*d - 21450 + 9310 = -6540 for d.
ANS: -20
QUESTION: Math problem: Solve 3122 = 13*c + 3161 for c.
ANS:
-3