Question:
Solve -264*h = -642*h + 291*h - 2175 for h..

Answer:
-25

Question:
Solve 103 - 91 = -3*r for r..

Answer:
-4

Question:
Solve 0 = 9*g + 7 + 29 for g..

Answer:
-4

Question:
Solve 289 = -711*z - 45215 for z..

Answer:
-64