Question:
Solve -30*g - 13*g - 279 + 72 = 137 for g..

Answer:
-8

Question:
Solve 1019*v + 1463*v + 257530 + 20662 = -49432 for v..

Answer:
-132

Question:
Solve 20*v + 104 = -6*v for v..

Answer:
-4

Question:
Solve 130*u + 179*u + 2163 = 0 for u..

Answer:
-7