Problem: Math Problem
Solve 395*k - 9870 = -556*k - 36*k for k.

A: 10

Problem: Math Problem
Solve 0 = 22*y - 72*y - 20*y + 1820 for y.

A: 26

Problem: Math Problem
Solve -867*r + 168 = -846*r for r.

A:
8