Respuesta :

Answer:

Step-by-step explanation:

-k=9(k-10)

add the k and the 10 together to get 10k

-k=9*10k

divide by 9

-k/9=10k

divide by 10

-k over 9 divided by 10 = k

-k/9 / 10=k
k is equal to 9 .....

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