Solve 170*r + 768 = 219 - 471 for r.
Solve this plz.

A: -6

Solve 1427 - 2365 - 1842 = -278*w for w.
Solve this plz.

A: 10

Solve 4807 - 5192 = 35*d for d.
Solve this plz.

A:
-11