Question:
Solve 11*l - 16*l = 35 for l..

Answer:
-7

Question:
Solve -189*b + 3548 + 6418 = 717*b for b..

Answer:
11

Question:
Solve 157*u + 4298 = -11*u - 139*u for u..

Answer:
-14

Question:
Solve 5*t - 319*t + 13002 = 277*t for t..

Answer:
22