Write down the solution for this math problem: Solve 0 = 529*g - 543*g + 196 for g.
answer: 14

Write down the solution for this math problem: Solve 5*u - 16 - 9 = 0 for u.
answer: 5

Write down the solution for this math problem: Solve 6227 = 14*r + 6647 for r.
answer: -30

Write down the solution for this math problem: Solve -10*c = 13 - 23 for c.
answer:
1