`x+5/4=x/(-13)` `⇒(x+5/4)(-13)=x` `⇒-13x-65/4=x` `⇒14x=-65/4` `⇒x=65/56` Vậy `x=65/56` Log in to Reply
`x+5/4=x/(-13)`
`⇒(x+5/4)(-13)=x`
`⇒-13x-65/4=x`
`⇒14x=-65/4`
`⇒x=65/56`
Vậy `x=65/56`