Question

Tìm x :

x + 12 = 4 x 5

Answer 1

x+12=4x5

x+12=20

x     =20-12

x     =8

Answer 2

x + 12 = 4 x 5

x + 15 = 20

        x = 20 - 15

        x = 5

vậy x = 5

Answer 3

<=> x+12=20

<=>x=20-12

<=> x=8

Answer 4

x + 12 = 4 x 5

x + 12 = 20

x = 20 - 12

x = 8

Answer 5

Tìm x :

x + 12 = 4 x 5

x + 12=  20

x = 20 - 12

x =8

Answer 6

x+ 12 = 4 x 5

x+ 12 = 20 

=> x= 8 

đáp số x= 8