Question:
Solve -6*i = -28 + 28 for i..

Answer:
0

Question:
Solve 0 = 10*x - 2 - 18 for x..

Answer:
2

Question:
Solve 0 = -32*q - 142 + 78 for q..

Answer:
-2

Question:
Solve 9272*u = 18154*u - 9085*u - 16037 for u..

Answer:
-79