Q: Solve:
Solve 40 = 15*i - 25*i for i.

A: -4

Q: Solve:
Solve -2125*g - 1060*g + 83120 - 58345 = -77145 for g.

A: 32

Q: Solve:
Solve 63 = 23*z + 63 for z.

A:
0