Solve 0 = 14*h - 119*h + 210 for h.
Solve this plz.

A: 2

Solve -3*r + 13*r + 10 = 0 for r.
Solve this plz.

A: -1

Solve 224*k + 98548 = -184*k - 250*k + 49856 for k.
Solve this plz.

A:
-74