Question:
Solve 15*b - 1337 = -1247 for b..

Answer:
6

Question:
Solve -30*t - 581 = 53*t for t..

Answer:
-7

Question:
Solve 0 = -1094*t - 7525 - 75619 for t..

Answer:
-76

Question:
Solve -120 = 16*z + 4*z for z..

Answer:
-6