Solve -12*w + 8*w = 12 for w.
Solve this plz.

A: -3

Solve 808 = 31*n + 16*n + 620 for n.
Solve this plz.

A: 4

Solve 0 = -226*k - 8319854 + 8322114 for k.
Solve this plz.

A:
10