Question:
Solve 126*k = 2245 + 4685 for k..

Answer:
55

Question:
Solve 0 = 6*u - 15*u - 27 for u..

Answer:
-3

Question:
Solve -20 = 8*a + 4 for a..

Answer:
-3

Question:
Solve -53*g - 576 = -364 for g..

Answer:
-4