Solve 20 = 9*j - 13*j for j.
Solve this plz.

A: -5

Solve -29*w = 14*w - 5*w + 38 for w.
Solve this plz.

A: -1

Solve -22*a - 7*a + 56*a = 9*a + 270 for a.
Solve this plz.

A:
15