Question:
Solve 4519 - 1327 = -399*m for m..

Answer:
-8

Question:
Solve -552 = -9*z - 525 for z..

Answer:
3

Question:
Solve 10*u = 8 + 2 for u..

Answer:
1

Question:
Solve 38 - 32 = -2*v for v..

Answer:
-3