Question: What is the solution?

Solve 20*v - 5985 = -328*v + 33*v for v.

Answer: 19

Question: What is the solution?

Solve 5*i + 35*i - 80 = 0 for i.

Answer: 2

Question: What is the solution?

Solve -61*p = -62 + 245 for p.

Answer: -3

Question: What is the solution?

Solve -4 = -17*r + 30 for r.

Answer:
2