Solve -1212 = 108*k - 123 + 733 - 202 for k.
Solve this plz.

A: -15

Solve 10*d + 470 = -10*d + 114*d for d.
Solve this plz.

A: 5

Solve 151*x = -22*x + 18*x - 2790 for x.
Solve this plz.

A:
-18