Question

Punctul d va rog !! Ofer 55puncte !!va rog repede

Answer 1

Răspuns: a = 3

Explicație pas cu pas:

3 + {4 x [2 + (6 + a) : 3] - 17} x 7 = 24

{4 x [2 + (6 + a) : 3] - 17} x 7 = 24 - 3

{4 x [2 + (6 + a) : 3] - 17} x 7 = 21

4 x [2 + (6 + a) : 3] - 17 = 21 : 7

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

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

4 x [2 + (6 + a) : 3] = 20

2 + (6 + a) : 3 = 20 : 4

2 + (6 + a) : 3 = 5

(6 + a) : 3 = 5 - 2

(6 + a) : 3 = 3

6 + a = 3 x 3

6 + a = 9

a = 9 - 6

a = 3

Answer 2

Răspuns:

Explicație pas cu pas:

3 + {4 x [ 2 + ( 6 + a ) : 3 - 17 } x 7 = 24

{ 4 x [2 + ( 6 + a ) : 3 - 17 )x 7 = 24 : 3

4 x [ 2 + ( 6 + a) : 3] -17 =21:7

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

4 x [ 2 + ( 6 +a ) ; 3 = 3+17

4 x [ 2 + ( 6 +a ) : 3 =20

2 +( 6 +a ) : 3 = 20 : 4

2 + ( 6 + a ) : 3 = 5

( 6 +a ) : 3 = 5 -2

( 6 + a ) : 3 = 3

6 + a =3 x 3

6 + a = 9

a = 9-6

a = 3