Question: What is the solution?

Solve -80*h + 61*h + 27 - 198 = 0 for h.

Answer: -9

Question: What is the solution?

Solve -49*c - 2978 = 464*c + 3178 for c.

Answer: -12

Question: What is the solution?

Solve -523*o + 12925 + 10538 = -760*o for o.

Answer: -99

Question: What is the solution?

Solve -6164077*x - 4224 = -6164141*x for x.

Answer:
66