Solve 411435759*k - 411435856*k - 12028 = 0 for k.
Solve this plz.

A: -124

Solve -686*d = -1274*d - 19404 for d.
Solve this plz.

A: -33

Solve -13*x + 4 = -9*x for x.
Solve this plz.

A:
1