Question: What is the solution?

Solve 32*l = 2*l - 5*l - 140 for l.

Answer: -4

Question: What is the solution?

Solve -2039*r = -2037*r - 22 for r.

Answer: 11

Question: What is the solution?

Solve -52*w + 66 + 298 = 0 for w.

Answer: 7

Question: What is the solution?

Solve -352*k = 155*k + 1521 for k.

Answer:
-3