Question:
Solve -464*x - 2205 = -359*x for x..

Answer:
-21

Question:
Solve -11*i + 2 = -10*i for i..

Answer:
2

Question:
Solve -1913*v - 969*v = -216150 for v..

Answer:
75

Question:
Solve 105*f = 111*f - 12 for f..

Answer:
2