Question: What is the solution?

Solve 7*d - 9 - 12 = 0 for d.

Answer: 3

Question: What is the solution?

Solve -3*r + 58*r = 6*r - 588 for r.

Answer: -12

Question: What is the solution?

Solve -67442 - 33230 = 911*g - 2484*g for g.

Answer: 64

Question: What is the solution?

Solve -31219 - 97497 - 77396 = -1846*d - 19666 for d.

Answer:
101