Question: What is the solution?

Solve 0 = 32*r + r for r.

Answer: 0

Question: What is the solution?

Solve -25576*l = -25516*l - 1140 for l.

Answer: 19

Question: What is the solution?

Solve 70*x = 46*x - 168 for x.

Answer: -7

Question: What is the solution?

Solve -218*n = 89*n - 2149 for n.

Answer:
7