Question: What is the solution?

Solve -7*x = -10*x + 3 for x.

Answer: 1

Question: What is the solution?

Solve -356*o - 1300 = 3684 for o.

Answer: -14

Question: What is the solution?

Solve 104*b + 36 = 210*b - 102*b for b.

Answer: 9

Question: What is the solution?

Solve -9473 = 637*n + 6452 for n.

Answer:
-25