Q: Solve:
Solve -9791 - 11815 = -22*g + 400*g + 6744 for g.

A: -75

Q: Solve:
Solve 168*i - 172*i = 0 for i.

A: 0

Q: Solve:
Solve -15140*r - 26055 = -14561*r for r.

A:
-45