Solve -6*n + 19*n = -91 for n.
Solve this plz.

A: -7

Solve -50 = -19*q + 26 for q.
Solve this plz.

A: 4

Solve 0 = 49*a - 72*a + 40*a + 136 for a.
Solve this plz.

A:
-8