Solve -o - 18 = -7*o for o.
Solve this plz.

A: 3

Solve -23*g = 7*g + 180 for g.
Solve this plz.

A: -6

Solve 1688*z - 22521 = 14763 - 20827 + 39247 for z.
Solve this plz.

A:
33