Write down the solution for this math problem: Solve 5148*k - 5134*k + 28 = 0 for k.
answer: -2

Write down the solution for this math problem: Solve -118*t = 146 + 326 for t.
answer: -4

Write down the solution for this math problem: Solve -514 = -49*a + 408 + 385 - 131 for a.
answer: 24

Write down the solution for this math problem: Solve -321 = 36*z + 3 for z.
answer:
-9