QUESTION: Math problem: Solve 13213 = 263*n - 20*n - 881 for n.
ANS: 58
QUESTION: Math problem: Solve 0 = 31*d - 0*d + 124 for d.
ANS: -4
QUESTION: Math problem: Solve -7*d - 277 = -270 for d.
ANS: -1
QUESTION: Math problem: Solve -1535*t - 459 = -1508*t for t.
ANS:
-17