Question

5 *x + 5 * x = 20

x = bao nhiêu

Answer 1

5 * x + 5 * x = 20

x * ( 5 + 5 ) = 20

x * 10 = 20

x = 20 : 10

x = 2

Answer 2

x* ( 5+5) = 20

x * 10 = 20

x = 20 : 10

x = 2

Answer 3

5 * x + 5 * x = 20

x * ( 5 + 5 )  = 20

x* 10 = 20

      x = 20 / 10

      x = 2

Answer 4

5 *x + 5 * x = 20

( 5 + 5 ) * x = 20

10 * x = 20

x = 20 : 10

x = 2

Vậy x = 2

Answer 5

5 * x + 5 * x = 20

x * ( 5 + 5 ) = 20

x * 10 = 20

x = 20 : 10

x = 2

Answer 6

5 *x + 5 * x = 20

x * ( 5 + 5 ) = 20

x * 10 = 20

 x = 2

Answer 7

5 *x + 5 * x = 20

x*(5+5)=20

x*10=20

x=2

Answer 8

cách khác:

5 *x + 5 * x = 20

5(x+x)=20

2x=4

x=4

Answer 9

5 * x + 5 * x = 20

( 5 + 5 ) * x  = 20

10 * x          = 20

x                 = 20 : 10 

x                 = 2

Answer 10

5xX+5xX=20

Xx(5+5)=20

Xx10=20

X=20:10

X=2

Vậy X=2

Answer 11

5*x+5*x=20

x*(5+5)=20

x*10=20

x      =20:10

x      =2

Answer 12

5*x+5*x=20

=>2(5*x)=20

=>5*x=10

=>x=2

Answer 13

5 * x + 5 * x = 20

x * ( 5 + 5 ) = 20

x * 10 = 20

x = 20 : 10

x = 2

Answer 14

5* x +5*x =20 x * (5 +5)=20 x*10=20 x = 20 :10 x=2

Answer 15

5 *x + 5 * x = 20

( 5 + 5 ) * x = 20

10 * x = 20

x = 20 : 10

x = 2

Vậy x = 2

Answer 16

bằng 2 nha bn