6x+12=3o |-12
6x =18 |:6
x =3
|x+3|=5
x+3=5 |-3
x=-2
x+3=-5|-3
x=-8
I have made a mistake.
Hallo
Ola
7 2/5 *7 1/2=37/5 *15/2=37 * 3/2=111/2=55 1/2
