Question:
Solve -26824*z = -26866*z - 21 + 147 for z..

Answer:
3

Question:
Solve 0 = 302*g - 143*g - 126*g + 2112 for g..

Answer:
-64

Question:
Solve -88*o + 39*o = -392 for o..

Answer:
8

Question:
Solve -25*o + 99*o + 1009 = -471 for o..

Answer:
-20