Solve 8*o + 598 - 28 = -49*o for o.
Solve this plz.

A: -10

Solve 462*z + 4517 - 19905 - 7250 = 0 for z.
Solve this plz.

A: 49

Solve -4587 = -497*v + 80*v for v.
Solve this plz.

A:
11