Question

2x - 12 + x = 0

giúp mk nha bạn nào nhanh mk k cho

Answer 1

2x-12+x=0

2x+x-12=0

    3x-12=0

         3x=0+12

         3x=12

           x=12:3

           x=4

Answer 2

2x-12+x=0

3x-12=0

3x=0+12

3x=12

x=12:3

x=4

Answer 3

2x-12+x=0

Suy ra 3x-12=0

3x=0+12=12

x=12/3

x=4

Answer 4

2x - 12 + x = 0

=> 3x - 12 = 0

3x = 0 + 12

3x = 12

  x = 12 : 3

  x = 4

Answer 5

2x - 12 + x = 0

=> 3x = 0 + 12

3x = 12

x = 12 : 3

x = 4

Answer 6

x = 4 nha bn

Answer 7

bằng 4 nhé!!!!!!!!!!!!!!

Answer 8

Nguyễn Khánh Phương

2x - 12 + x = 0

=> 3x = 0 + 12

3x = 12

x = 12 : 3

x = 4