Q: Solve:
Solve -3018*p + 3057*p = 429 for p.

A: 11

Q: Solve:
Solve -72 = 47*j - 56*j for j.

A: 8

Q: Solve:
Solve -12*r + 42*r + 70 = 17*r + 8*r for r.

A:
-14