Solve -242*r + 24 = -248*r for r.
Solve this plz.

A: -4

Solve -195*f + 102*f + 707 - 8240 = 0 for f.
Solve this plz.

A: -81

Solve -17*j - 91 - 60 = -32 for j.
Solve this plz.

A:
-7