Solve 51*r - 47*r - 36 = 16 for r.
Solve this plz.

A: 13

Solve 449*z = -147 - 2098 for z.
Solve this plz.

A: -5

Solve 276*q - 277*q - 8 = 0 for q.
Solve this plz.

A:
-8