👤

cum se rezolva inecuatia:2+x:4+21:3≤31

















































































Răspuns :

2+x:4+21:3≤31
2+x:4+7
≤31
2+x:4≤31-7
2+x:4≤24
x:4≤24-2
x:4≤22
x≤22x4
x≤88
2+x:4+21:3 ≤ 31
2+x:4+7 ≤ 31
2+x:4 ≤ 31-7
2+x:4 ≤ 24
x:4 ≤ 24-2
x:4 ≤ 22
x ≤ 22x4
x ≤ 88