Solve 768*r + 2856*r + 157162 + 69035 = 37749 for r.
Solve this plz.

A: -52

Solve 349*k - 34216 + 363 = 0 for k.
Solve this plz.

A: 97

Solve 9705*d = -20663*d - 1579136 for d.
Solve this plz.

A:
-52