Question:
Solve 225*k = 1275 + 750 for k..

Answer:
9

Question:
Solve 0 = -192*c - 230*c - 4646 + 1269 - 2109 for c..

Answer:
-13

Question:
Solve 8 = -3*v - 1 for v..

Answer:
-3

Question:
Solve 4 = -3*q - 2 for q..

Answer:
-2