Question: What is the solution?

Solve -854 = -11*r - 80*r - 2765 - 2002 for r.

Answer: -43

Question: What is the solution?

Solve 2159*x = 2192*x + 231 for x.

Answer: -7

Question: What is the solution?

Solve -48*i - 132*i + 1243 = -67*i for i.

Answer: 11

Question: What is the solution?

Solve 14*n - 58 = -16 for n.

Answer:
3