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Anamariatimea
a fost răspuns

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
CosmoteRo
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