Răspuns :
-|x-3|=3-7
-|x-3|=-4
|x-3|=4
x-3=4=>x=7
x-3=-4=>x=-1
x aparține {-1, 7}
-|x-3|=-4
|x-3|=4
x-3=4=>x=7
x-3=-4=>x=-1
x aparține {-1, 7}
7-|x-3|=3
-|x-3|=3-7
-|x-3|=-4 |×1
|x-3|=4
x-3=4=>x=7
x-3=-4=>x=-1
x ∈ {-1, 7}
Succes!!
-|x-3|=3-7
-|x-3|=-4 |×1
|x-3|=4
x-3=4=>x=7
x-3=-4=>x=-1
x ∈ {-1, 7}
Succes!!