1. |4-3x|=|-4| 2. 2|3x-8|=10 3. |2y+5|=|7-2y|

Mapel : Matematika
Kelas : X SMA
Materi : Persamaan Mutlak

Pembahasan :
|4 - 3x| = |-4|
|4 - 3x| = 4
(4 - 3x)² = 4²
(4 - 3x)² - 4² = 0
(8 - 3x)(-3x) = 0
9x² - 24x = 0
3x² - 8x = 0
x(3x - 8) = 0
x = 0
x = 8/3

Hp : {0 , 8/3}

4-3x=-4
-3x=-4-4
-3x=-8
x=-8/-3
x=8/3
x=2 ⅔

2(3x-8)=10
6x-16=10
6x=10+16
6x=26
x=26/6
x=4 ⅓

2y+5=7-2y
2y+2y=7-5
4y=2
y=2/4
y=½