Question: What is the solution?

Solve -320912*j + 320979*j = -1541 for j.

Answer: -23

Question: What is the solution?

Solve 0 = 2*l - 171 + 179 for l.

Answer: -4

Question: What is the solution?

Solve 2*c = 33 - 21 for c.

Answer: 6

Question: What is the solution?

Solve -20 = -18*l + 23*l for l.

Answer:
-4