Question

rezolvati in multimea numerelor naturale inecuatia 2,5x+3≤10,5

Answer 1

2,5x+3≤10,5
2,5x≤10,5-3
2,5x≤7,5
x≤7,5:2,5
x≤(7,5*10):(2,5*10)
x≤75:25
x≤3
x∈{0,1,2,3}