Solve -60*t + 911 + 769 = 0 for t.
Solve this plz.

A: 28

Solve 0 = -162*i + 81*i + 71*i - 20 for i.
Solve this plz.

A: -2

Solve 1363 + 464 = -261*b for b.
Solve this plz.

A:
-7