|15 – 4x| = |8 – 3x|

|15 – 4x| = |8 – 3x|

|15 – 4x| = |8 – 3x|

|15 – 4x| = |8 – 3x|

15 – 4x = 8 – 3xㅤ

-4x + 3x = 8 – 15ㅤㅤㅤㅤㅤㅤ

ㅤㅤㅤ-x = -7

ㅤㅤㅤ x = 7

 

15 – 4x = -(8 – 3x)

15 – 4x = -8 + 3xㅤ

-4x – 3x = -8 – 15ㅤㅤㅤㅤㅤㅤ

ㅤㅤ -7x = -23

ㅤㅤㅤ x = -23/-7

ㅤㅤㅤ x = 23/7

 

Jadi, HP = {23/7, 7}

 

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