" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Na osi liczbowej zaznacz odcinek obustronnie domknięty od 5 do 14.
2x - 19 ≤ 9 ∧ -2x + 19 ≤ 9
2x ≤ 28 /:2 -2x ≤ -10 /:(-2)
x ≤ 14 x ≥ 5
x ∈ < 5; 14 >
|----------
| //////////|
--------------.-----.---------.------------> x
0 5 14