Q: Solve:
Solve 6 = -8*f + 38 for f.

A: 4

Q: Solve:
Solve 84*d + 94*d - 6531 = -8005 - 11342 for d.

A: -72

Q: Solve:
Solve 0 = -103*z + 106*z for z.

A:
0