Q: Solve:
Solve 49*f - 97*f + 2040 = 156*f for f.

A: 10

Q: Solve:
Solve 2 = 8*a - 14*a + 5*a for a.

A: -2

Q: Solve:
Solve 495*h = 2996 + 2041 + 1398 for h.

A:
13