Solve 21 = -4*b + 41 for b.
Solve this plz.

A: 5

Solve 3056*y - 4895 = 1505*y + 1496*y for y.
Solve this plz.

A: 89

Solve 5085 = 175*t + 56*t + 465 for t.
Solve this plz.

A:
20