Question

find the value of k if x=2 and y=1 is a solution of the equation 5x+ky=9 plz fast give me answer
​

Answer 1

Step-by-step explanation:

5x+ky = 9

5×2 + k× 1 = 9

10 + k = 9

k = 9 - 10

k= -1

Answer 2

Answer:

-1

Step-by-step explanation:

5x+ky=9

5(2)+k(1)=9

10+k=9

k=9-10

k=-1