Solve -1106*j + 1545 = -1003*j for j.
Solve this plz.

A: 15

Solve 21*i = 297 - 87 for i.
Solve this plz.

A: 10

Solve 8529 = -536*i - 3496 - 10788 - 14171 for i.
Solve this plz.

A:
-69