Himpunan dari |x|+|x+3|=5

Mapel : Matematika
Kelas : X SMA
Bab : Mutlak

Pembahasan :
|x| + |x + 3| = 5
x + x + 3 = 5
2x + 3 = 5
2x = 2
x = 1

x + x + 3 = -5
2x + 3 = -5
2x = -8
x = -4

Hp : {-4 , 1}

Bab Nilai Mutlak
Matematika SMA Kelas X

|x| + |x + 3| = 5

x + x + 3 = 5
2x = 5 - 3
x = 2/2
x = 1

x + x + 3 = -5
2x = -5 - 3
x = -8/2
x = -4

HP = { -4, 1 }