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Rezolvati ecuatia : -5*|x+2|+19=-6

Răspuns :

-5*|x+2|+19=-6

19+6=5|x+2|
25=5|x+2|
5=|x+2|
|x+2|=5
x+2=5    x=5-2=3
x+2=-5  x=-5-2=-7
x∈{-7;3}


verificare
|3+2|=|5|=5
|-7+2|=|-5|=5
19+6=5*5=25