Solve 9 + 7 = 8*k for k.
Solve this plz.

A: 2

Solve 4*g + 167 = 139 for g.
Solve this plz.

A: -7

Solve 69478*k - 1720 = 69369*k - 7497 for k.
Solve this plz.

A:
-53