Q: Solve 4*c + 21*c + c = 260 for c.

A: 10
Q: Solve:
Solve -74773 - 55073 = 3236*o - 3642 for o.

A: -39
Question: What is the solution?

Solve -5*x - 107 = 248 + 154 + 226 for x.

Answer: -147
Problem: Math Problem
Solve -5*z + 0 + 20 = 0 for z.

A: 4
Question:
Solve -124 = 137*u - 491 - 592 for u..

Answer:
7
Q: What is the solution?
Solve 243 = -11*r + 221 for r.

A:
-2