Question: What is the solution?

Solve -10*d - 18 = -4*d for d.

Answer: -3

Question: What is the solution?

Solve -15*j - 2*j = 74 + 45 for j.

Answer: -7

Question: What is the solution?

Solve -131*g = -92430 + 92823 for g.

Answer: -3

Question: What is the solution?

Solve -36 = -456*o + 409*o + 58 for o.

Answer:
2