Question

1/2.x+3/5.(x-2)=3

Answer 1

Đề bài hỏi gì bạn

Answer 2

đè tìm x á bn 

Answer 3

`1/2 x +3/5 (x-2)=3`

`1/2 x +3/5 x - 3/5 .2=3`

`(1/2 + 3/5) .x -6/5=3`

`11/10x = 3+6/5`

`11/10 x=21/5`

`x=21/5 :11/10`

`x=42/11`

Answer 4

Ta có: \(\dfrac{1}{2}x+\dfrac{3}{5}\left(x-2\right)=3\)

\(\Leftrightarrow\dfrac{11}{10}x=\dfrac{21}{5}\)

hay \(x=\dfrac{42}{11}\)