Question:
Solve 0 = -137*a + 14342 - 10917 for a..

Answer:
25

Question:
Solve -22*w = -28*w + 24 for w..

Answer:
4

Question:
Solve 2*c + 9 = 5 for c..

Answer:
-2

Question:
Solve 547*x - 429*x + 537*x = 5895 for x..

Answer:
9