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Rezolvati in R inecuatia:
1.2(3-2x)+3(2-x)≤-2
2.4(2-3x)-3(4-2x)>2


Răspuns :

1.2(3-2x)+3(2-x)≤-2
6-4x+6-3x≤-2
12-7x≤-2
14≤7x
x≥2

2.4(2-3x)-3(4-2x)>2
8-12x-12+6x>2
-6>6x
-1>x
x<-1