Solve 427*a + 16 = 429*a for a.
Solve this plz.

A: 8

Solve 1085*x + 3974 + 2536 = 0 for x.
Solve this plz.

A: -6

Solve -3284*f + 237153 = 47332 - 73260 - 62035 for f.
Solve this plz.

A:
99