|3-×| = 5 tentukan himpuan penyelesaian

Bab Nilai Mutlak
Matematika SMA Kelas X

|3 - x| = 5

3 - x = 5
x = 3 - 5
x = -2

3 - x = - 5
x = 3 + 5
x = 8

HP = {-2, 8}

|3 - x| = 5
=> - x = 5 - 3
=> - x = 2
=> x = 2/-1
=> x = -2

-|3 - x| = 5
=> |3 - x| = 5/-1
=> |3 - x| = -5
=> -x = -5 - 3
=> -x = -8
=> x = -8/-1
=> x = 8