Question

rezolvati in Z inecuatiile X + 1 < 5
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Answer 1

x+1<5

0+1=1

1+1=2

2+1=3

3+1=4

Answer 2

$\it x+1 < 5 \Rightarrow x < 5-1 \Rightarrow x < 4 \Rightarrow x\in\{..., -2,\ -1,\ 0,\ 1,\ 2,\ 3\}$