Question

find the value of k if x = 5 and Y = 4, is one of the solution equation 4x- ky= 10​

Answer 1

Answer:

$k = \frac{5}{2}$

Step-by-step explanation:

4x-ky-10=0

(x,y)=(5,4) is the solution of 4x-ky-10=0

=>4(5)-k(4)-10=0

20-4k-10=0

-4k+10=0

-4k=-10

k=-10/-4

k=5/2