Write down the solution for this math problem: Solve -37*r + 697 - 172 + 104 = 0 for r.
answer: 17

Write down the solution for this math problem: Solve 5535 = 1236*c - 1441*c for c.
answer: -27

Write down the solution for this math problem: Solve 105*g + 452 = -55*g - 828 for g.
answer: -8

Write down the solution for this math problem: Solve -14*f = -6*f + 48 for f.
answer:
-6