Question

find the value of k if -1, 1 is a solution of the equation 5 x minus k y = 7​

Answer 1

Answer:

Here is th answer.........

Hope it helps u!!!!!!!!!! ☺️☺️

Answer 2

Answer:

(-1,1) is the solution

so therefore,x=-1 and y=1

linear equation:

5x-ky=7

now,subtitute the values of x and y

now, 5*-1-k*1=7

-5-k=7

-k=7+5

-k=12

k=-12

hope you got the answer!!!!