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{2×[14+(5+x):6]-5}:9+7=10

Răspuns :

{2×[14+(5+x):6]-5}:9=3
2×[14+(5+x):6]-5=27
2×[14+(5+x):6]=32
14+(5+x):6=16
(5+x):6=2
5+x=12
x=7