Solve 22*w + 15 = 7*w for w.
Solve this plz.

A: -1

Solve -28*f - 42 = 70 for f.
Solve this plz.

A: -4

Solve 26*j - 9*j - 113088 = -643*j - 518*j for j.
Solve this plz.

A:
96