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2+x>5;7+x=9;2*x+<16va rog mult!!

Răspuns :

2+x>5/-2 x>3 x€{4,5,6...}; 7+x=9/-7 x=2; 2*x <16/:2 x<8 x€{0,1,2,3,4,5,6,7}.
Nitugheorghe57
2+x>5⇒x>5-2⇒x>3
7+x=9⇒x=9-7⇒x=2.
2x<16⇒x<16/2⇒x <8
succes

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