Question: What is the solution?

Solve -1726*o - 1672*o + 1104*o - 822*o = 15580 for o.

Answer: -5

Question: What is the solution?

Solve 20*j = -210*j + 51*j - 5370 for j.

Answer: -30

Question: What is the solution?

Solve -414 = 28*f - 24*f + 19*f for f.

Answer: -18

Question: What is the solution?

Solve -4*o + 8*o + 6*o = 0 for o.

Answer:
0