Question

Q15 Find the value of K, if x= -2, y = 1 is a solution of the equation 5x – 7Ky = K.​

Answer 1

5*(-2)-7k*1=k

-10-7k=k

-10=8k

k=8/-10

k=-4/5

Answer 2

Answer:

5(-2)-7(1)k=k

-10-7k=k

-10=8k

k=-10/8

k=-5/4