Question

25+(15-x)=0

 

Answer 1

`@` `\text {Ans}`

`\downarrow`

`25 + (15 - x) = 0`

`25 + 15 - x = 0`

`40 - x = 0`

`x = 40 - 0`

`x = 40.`

Vậy, `x = 40.`

Answer 2

=>40-x=0

=>x=40-0

=>x=40