Question

12x(X-6)=4xX+12 ☹☺

Answer 1

12.(x-6)=4x+12

12x-72=4x+12

12x-72-12=4x

12x-84=4x

12x-4x=84

8x=84

x=10,5

Answer 2

`12xx(x-6)=4xx x+12`

`12x-72=4x+12`

`12x-4x=12+72`

`8x=84`

`x=84:8`

`x=21/2`

Vậy `x=21/2`

Answer 3

12 x X - 72 = 4 x X +12

12x X-4xX= 12+72

X x(12-4)=84

Xx8=84

X=84:8

X=10,5

Answer 4

\(12.\left(X-6\right)=4.X+12< =>12.X-72=4.X+12\)

\(< =>12X-4X=12+72< =>8X=84< =>x=\dfrac{84}{8}=\dfrac{21}{2}\)

 

<=>

Answer 5

\(12.\left(x-6\right)=4x+12\) 

   \(12x-72=4x+12\) 

   \(12x-4x=12+72\) 

             \(8x=84\) 

               \(x=84:8\) 

               \(x=\dfrac{21}{2}\) 

               \(x=10,5\) 

Chúc bạn học tốt!