Question

Help me with the above attached file ty ​

Answer 1

Answer:-3

Step-by-step explanation:

9kx+4ky=63

given that x=-1 and y=-3

9k(-1)+4k(-3)=63

or, -9k-12k=63

or, -21k=63

or, k=-63/21=-3

PLEASE MARK ME AS THE BRAINLIEST. THANK YOU.