Question: What is the solution?

Solve 0 = -12*j - 9 - 15 for j.

Answer: -2

Question: What is the solution?

Solve -27 - 13 = 10*i for i.

Answer: -4

Question: What is the solution?

Solve 5360*b = 1180*b - 979*b - 3399*b - 342320 for b.

Answer: -40

Question: What is the solution?

Solve -2710 = -2*w - 2702 for w.

Answer:
4