Question: What is the solution?

Solve -18*l - 30*l = 9*l + 969 for l.

Answer: -17

Question: What is the solution?

Solve -731*h - 167 = -788*h + 232 for h.

Answer: 7

Question: What is the solution?

Solve 1018 = 332*d - 742 - 564 for d.

Answer: 7

Question: What is the solution?

Solve 3*j + 9*j = 0 for j.

Answer:
0