Solve -58*w = -56*w - 4 for w.
Solve this plz.

A: 2

Solve -31*y + 327 = 885 for y.
Solve this plz.

A: -18

Solve 2361*a + 17216 - 20650 - 144593 = 78629 for a.
Solve this plz.

A:
96