Solve -1780*d + 899*d = -54622 for d.
Solve this plz.

A: 62

Solve -42*u + 35 = -7*u for u.
Solve this plz.

A: 1

Solve 0 = 3749*l + 401*l - 91300 for l.
Solve this plz.

A:
22