Question:
Solve 39*g = 4*g + 175 for g..

Answer:
5

Question:
Solve 4*q = 2222 - 2254 for q..

Answer:
-8

Question:
Solve -210*u + 215*u = 0 for u..

Answer:
0

Question:
Solve -2*u = 3*u + 25 for u..

Answer:
-5