Question:
Solve -108*x - 22368 = 87*x - 1127*x for x..

Answer:
24

Question:
Solve 6*y + 135 - 111 = 0 for y..

Answer:
-4

Question:
Solve -111 = -k - 116 for k..

Answer:
-5

Question:
Solve 108 = 30*b - 72 for b..

Answer:
6