Answer :

Sally2020

Answer:

If 2k - 4 = 12,  2k + 1= 11

Explanation:

2k - 4 = 12

2k=12+4

2k=16

k=8

plug k=8 into 2k + 1

2(8)+1= 11

-->2k+11 = 11

2k-=11k is the answer

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