Solve -10673 = 8337*z + 89371 for z.
Solve this plz.

A: -12

Solve 8*r - 2*r = 18 for r.
Solve this plz.

A: 3

Solve 472*l = 1911*l - 644*l - 624*l - 24795 for l.
Solve this plz.

A:
145