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