Question

Rezolvati in multimea numarelor naturale inecuatia 4x-5<7
                                                        

Answer 1

4x-5<7
4x<7+5
4x<12
x<12:4
x<3
x={2,1,0......-n}

Answer 2

4x - 5 < 7 / +5
4x < 12 / :4
x < 12:4
x<3
x ∈{ 0,1,2}