Solve -1540 + 985 = -37*b for b.
Solve this plz.

A: 15

Solve -78*j + 11*j - 5*j + 576 = 0 for j.
Solve this plz.

A: 8

Solve -97*i = 56*i - 1071 for i.
Solve this plz.

A:
7