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4+{3*[2+(x-7)/8]/9}*10=14
sa se afle x


Răspuns :

3*[2+(x-7)/8]/9*10=14-4=10
3*[2+(x-7)/8]/9=1
3*[2+(x-7)/8]=9
[2+(x-7)/8]=3
(x-7)/8=3-2=1
x-7=8
x=15

verificare
4+ {3[2+8/8]/9}*10=14
4+{3*1/3}*10=14
4+10=14 Adevarat, ecuatia este bine rezolvata