Q: Solve 0 = -q - 2*q + 4*q for q.

A: 0
Q: Solve:
Solve 74*c = 78*c - 4 for c.

A: 1
Question: What is the solution?

Solve 363*z = -3469 - 1976 for z.

Answer: -15
Problem: Math Problem
Solve 0 = -57*d + 17*d - 160 for d.

A: -4
Question:
Solve 1889*q - 1713*q = 704 for q..

Answer:
4
Q: Solve -36 = 9*r - 72 for r.

A:
4