Solve -5*i - 7*i = -12 for i.
Solve this plz.

A: 1

Solve 1112*g - 1132*g = 0 for g.
Solve this plz.

A: 0

Solve 194*s - 1019 + 3210 = -119*s for s.
Solve this plz.

A:
-7