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Penjelasan dengan langkah-langkah:

nilai mutlak..

|2z + 4| – 4 = 12, x > 0

|2z + 4| = 16

2z + 4 = 16

2z = 12

z = 6

_

|2z + 4| – 4 = 12, x < 0

|2z + 4| = –16

2z = -20

z = –10

_

HP = {( 6, –10)}