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Rezolvati in R ecuatia  |x-2| + |x-5| = 5


Răspuns :

pai | x-2| + |x-5| = 5==> x-2 + x-5 = 5
                            ==> x-2 + x-5 = -5
   x-2+x-5=5
 x+x= 5+2+5
2x=12| :2
x= 6 
x-2 +x-5= -5
x+x= -5 +2+5
2x=2 ==> x = 1 =====> x e {6,1}