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Answer :

Answer:

k = 6

Step-by-step explanation:

k -9 = -3

add 9 to both sides

and you get

k = 6

You need to get K by itself and to do that do the opposite of -9 which is +9 and do the +9 to the -3 and positive 9 plus negative 3 is 6 so it it positive 6.
K=6