Solve -635*x - 910*x + 24430 = -161*x - 14322 for x.
Solve this plz.

A: 28

Solve -29*k + 117 + 144 = 0 for k.
Solve this plz.

A: 9

Solve 4063*r = 78471 - 643228 for r.
Solve this plz.

A:
-139