Question

2*x+4,5mai mic sau egal16,5

Answer 1

2x+4.5≤16.5

2x≤16.5-4.5

2x≤12

x≤6

(-∞,6]

Answer 2

2x + 4,5 ≤ 16,5
2x ≤ 16,5 - 4,5
2x ≤ 12
x ≤ 6
x ∈ {0, 1, 2, 3, 4, 5, 6}