Question

find the value of k so that x= -1 and y= -1 is a solution of the linear equation 9kx +12ky =63 please answer my question varna​

Answer 1

Answer:

-3

Step-by-step explanation:

9kx+12ky=63

9k*-1+12k*-1=63

-9k-12k=63

-21k=63

k=63/-21

k=-3

Answer 2

Step-by-step explanation:

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