Solve -2*t - 23 + 25 = 0 for t.
Solve this plz.

A: 1

Solve -6*y - 8 + 2 = 0 for y.
Solve this plz.

A: -1

Solve -617726*h + 617680*h + 920 = 0 for h.
Solve this plz.

A:
20