Solve 0 = -r + 6*r + 12*r + 68 for r.
Solve this plz.

A: -4

Solve -46*l + 10134 = 9996 for l.
Solve this plz.

A: 3

Solve 5*h = -283 + 258 for h.
Solve this plz.

A:
-5