Himpunan penyelesaian |x+7|=2

|x+7| = 2

x + 7 = 2
x = 2-7
x = -5

atau

– (x + 7) = 2
– x – 7 = 2
– x = 2 + 7
– x = 9
x = -9

hp = {-5,-9}

 HP dari |x+7| adalah x = -9 v x = -5