Solve -101674 = 5*r - 100999 for r.
Solve this plz.

A: -135

Solve -334*l + 1199 = -443*l for l.
Solve this plz.

A: -11

Solve 536959 = 18428*x - 1728*x - 1582404 + 499463 for x.
Solve this plz.

A:
97