Question:
Solve 0 = 59*y + 91*y - 560 - 2590 for y..

Answer:
21

Question:
Solve -116*x + 107*x - 27 = 0 for x..

Answer:
-3

Question:
Solve 0 = 14*x - 12*x - 4 for x..

Answer:
2

Question:
Solve 1917 = 333*z - 12069 for z..

Answer:
42