Question:
Solve 22*z = 29*z + 28 for z..

Answer:
-4

Question:
Solve 186*g = 102*g + 120*g + 288 for g..

Answer:
-8

Question:
Solve 373*z - 8129 = -40*z + 2196 for z..

Answer:
25

Question:
Solve 0 = -16*u - 112 + 64 for u..

Answer:
-3