Question

3+{4+2×[2+(6+a):3]-17}=24
va rog care e a?
dau coroana​

Answer 1

3 + { 4 + 2 × [ 2 + ( 6 + a ) : 3 ] - 17 } = 24

4 + 2 × [ 2 + ( 6 + a ) : 3 ] - 17 = 24 - 3

4 + 2 × [ 2 + ( 6 + a ) : 3 ] - 17 = 21

4 + 2 × [ 2 + ( 6 + a ) : 3 ] = 21 + 17

4 + 2 × [ 2 + ( 6 + a ) : 3 ] = 38

2 × [ 2 + ( 6 + a ) : 3 ] = 38 - 4

2 × [ 2 + ( 6 + a ) : 3 ] = 34

2 + ( 6 + a ) : 3 = 34 : 2

2 + ( 6 + a ) : 3 = 17

( 6 + a ) : 3 = 17 - 2

( 6 + a ) : 3 = 15

6 + a = 15 × 3

6 + a = 45

a = 45 - 6

a = 39