Problem: Math Problem
Solve 424*k - 12*k = -519*k + 39102 for k.

A: 42

Problem: Math Problem
Solve 904*r = -10993 - 3996 - 1283 for r.

A: -18

Problem: Math Problem
Solve 116*t = -1028 - 248 for t.

A:
-11