Himpunan penyelesaiannya menggunakan akar kuadrat Nilai mutlak 1.|x+7|=2 2. |4-x|=3 3.|3x+2|=5 4.|2x-1|=7 5.|8-5x|=3

1.×+7=2
×=2-7
×=-5
2.4-×=3
-×=3-4
-×=-1
×=1

arigatou

1.|x+7|=2
x+7 =2
x =2-7
x =-5


2.|4-x|=3
4-x =3
-x =3/4
x =-3/4


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


4.|2x-1|=7
2x-1 =7
2x =7+1
2x =8
x =8/2
x =4


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