Question:
Solve 247*c + 51340 - 38743 = 0 for c..

Answer:
-51

Question:
Solve 626*w + 18808 + 9222 = 1112 for w..

Answer:
-43

Question:
Solve -242*a + 228*a = 28 for a..

Answer:
-2

Question:
Solve 561*z + 555 = -88*z - 743 for z..

Answer:
-2