Question:
Solve -595 - 1099 = 639*b + 223 for b..

Answer:
-3

Question:
Solve 96 + 720 = -44*v - 7*v for v..

Answer:
-16

Question:
Solve 139*t - 800 = 269 + 1155 for t..

Answer:
16

Question:
Solve -y - 819 + 812 = 0 for y..

Answer:
-7