Question: What is the solution?

Solve -2876*a - 46404 = -8561*a + 4761 for a.

Answer: 9

Question: What is the solution?

Solve -12 = 339*x - 335*x for x.

Answer: -3

Question: What is the solution?

Solve 87*d - 563 + 1158 = 2*d for d.

Answer: -7

Question: What is the solution?

Solve 7*p + 103 - 117 = 0 for p.

Answer:
2