Question: What is the solution?

Solve 21*y = 41 + 24 + 40 for y.

Answer: 5

Question: What is the solution?

Solve 1579*j + 81999 = -53795 for j.

Answer: -86

Question: What is the solution?

Solve -12 - 33 = -15*l for l.

Answer: 3

Question: What is the solution?

Solve -747*f + 5221 + 915 + 4422 = -647 for f.

Answer:
15