Math, asked by shetesanika2006, 7 months ago

b. Find the value of k if x= -1 and y= -1 is a solution of the linear equation 9kx+12ky=63

Answers

Answered by goelmadhav242

2

Step-by-step explanation:

9kx + 12ky = 63

(9×k×-1) + (12×k×-1) = 63

(-9k) + (-12k) = 63

-9k -12k = 63

-21k = 63

-k = 63

21

k = -3

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