Alright 50 points and will mark first answer brainliest. I am willing to do anything to pass this quiz

Answer: 2/7 - 2/k
Step-by-step explanation:
1) multiply 2/7k to k and then to -7 to get 2/7k(k) - 2/7k(7)
2) you can now simplify and remove the common factors (k and 7) to get 2/7 - 2/k