Question

Tìm x ,biết : 1/14x+5/7=-3/2

Answer 1

`1/14x+5/7=-3/2`

`=>1/14x=-3/2-5/7`

`=>1/14x=-21/14-10/14`

`=>1/14x=-31/14`

`=>x=-31/14 : 1/14`

`=>x=-31/14 . 14`

`=>x=-31`

Vậy `x=-31`

`#QiN`

Answer 2

\(\dfrac{1}{14}x+\dfrac{5}{7}=-\dfrac{3}{2}\) (đề ntn phải ko ạ?)

`=> 1/14x=-3/2-5/7`

`=>1/14x=-31/14`

`=>x=-31/14:1/14`

`=>x=-31`