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Rezolvati in N inecuatiile (3x+5x)÷4 <10

Răspuns :

(3x + 5x) : 4 < 10
3x + 5x < 40
8x < 40
x = 0,1,2,3,4
MadalinaMadutaa
(3x+5x)/4<10
8x/4<10
2x<10
x<10/2
x<5
x∈(-infinit ;5)