Q: Solve -7*a - 10 = -9*a for a.

A: 5
Q: Solve:
Solve 0 = -7*c + 6 + 1 for c.

A: 1
Question: What is the solution?

Solve 6301 = 1416*r - 18335 + 1980 for r.

Answer: 16
Problem: Math Problem
Solve 9 = 75*u - 72*u for u.

A: 3
Question:
Solve 1857*u - 929 = 12239 + 7964 + 82860 for u..

Answer:
56
Q: Solve -4*i = -9*i + 10 for i.

A:
2