tentukan hp dsari |x+3|+|3x-2|=4

Bab Nilai Mutlak
Matematika SMA Kelas X

| x + 3 | + | 3x - 2 | = 4

x + 3 + 3x - 2 = 4
4x + 1 = 4
4x = 4 - 1
x = 3/4

x + 3 + 3x - 2 = -4
4x + 1 = -4
4x = -4 - 1
x -5/4

HP = {-5/4, 3/4 }