Solve -38*a + 164 = 68*a - 24*a for a.
Solve this plz.

A: 2

Solve 0 = -17*w - 21*w + 38 for w.
Solve this plz.

A: 1

Solve 67*m + 446*m + 4617 = 0 for m.
Solve this plz.

A:
-9