Math, asked by 2621999, 1 year ago

find the value of k if (1,-1) is a solution of the equation 3x-ky=8

Answers

Answered by khushis33

26

x = 1 , y = -1
3x-ky=8
3 x 1 - k x ( -1 ) = 8
3 + k = 8
k = 8 - 3
= 5 is the correct answer.

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