Question

find the value of k if x=-1 and y=-1 is a solution of the equation 2x-ky=9.​

Answer 1

Answer: K=11  

Step-by-step explanation: 2x - ky=9

Put the value of x and y_______

2*-1-k*-1=9

-2 + k=9

k=9+2

k=11

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Answer 2

Step-by-step explanation:

k= 11

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