Question: What is the solution?

Solve 1710*x - 212*x - 102 + 2686 = -9400 for x.

Answer: -8

Question: What is the solution?

Solve 977363*j = 977232*j - 16375 for j.

Answer: -125

Question: What is the solution?

Solve 0 = 36*d + d - 5*d + 480 for d.

Answer: -15

Question: What is the solution?

Solve -31*l + 1683 = 1993 for l.

Answer:
-10