Q: Solve 2639*a = 2653*a - 42 for a.

A: 3
Q: Solve:
Solve 0*x + x - 3 = 0 for x.

A: 3
Question: What is the solution?

Solve 0*c + 5*c = -15 for c.

Answer: -3
Problem: Math Problem
Solve -80*q + 2025 = -1737 + 8415 + 3987 for q.

A: -108
Question:
Solve 42 = -15*g + 9*g for g..

Answer:
-7
Question: What is the solution?

Solve -7*y + 1632 = -111*y + 2*y for y.

Answer:
-16