Write down the solution for this math problem: Solve 2*k = 4*k - 1 - 25 for k.
answer: 13

Write down the solution for this math problem: Solve 17*k = -k + 18 for k.
answer: 1

Write down the solution for this math problem: Solve 83*n - 657 = -41 + 48 for n.
answer: 8

Write down the solution for this math problem: Solve 55 - 203 = -369*a + 221 for a.
answer:
1