Write down the solution for this math problem: Solve -9*k = -3*k + 4*k + 50 for k.
answer: -5

Write down the solution for this math problem: Solve -i + 7 - 9 = 0 for i.
answer: -2

Write down the solution for this math problem: Solve -127*z - 1094 - 176 = 0 for z.
answer: -10

Write down the solution for this math problem: Solve -195144 + 194883 = 87*i for i.
answer:
-3