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Rezolvati urmatoarele inecuatii unde x este nr natural: x-2 <4 ; x+7 <8

Răspuns :

x-2 < 4
X < 4+2
X < 6
X=0  ; 1 ; 2 ; 3 ; 4 ; 5

x+7 < 8
X <8-7
X < 1
X=0
x-2<4
x-2=4
x=6
x<6,x={5,4,3,2,1,0}

x+7<8
x+7=8
x=1
x<1,x={0}