Question: What is the solution?

Solve 94 = 16*r + 30 for r.

Answer: 4

Question: What is the solution?

Solve -13*p - 27297 + 27752 = 0 for p.

Answer: 35

Question: What is the solution?

Solve -56 = 1132*f - 1124*f for f.

Answer: -7

Question: What is the solution?

Solve -143 = 16*v - 31 for v.

Answer:
-7