Question

{2•[14+(5+x):6]-4}:9+7=10

Answer 1

Răspuns:

Explicație pas cu pas:

{2•[14+(5+x):6]-4}:9+7=10

{2•[14+(5+x):6]-4}:9 = 10 - 7 = 3

2•[14+(5+x):6]-4 = 9•3 = 27

2•[14+(5+x):6] = 27 + 4 = 31

14+(5+x):6 = 31/2

(5+x):6 = 31/2 - 14 = 31/2 - 28/2 = 3/2

5 + x = 6•3/2 = 9

x = 9 - 5 = 4