Question

How do you solve `2/5(x-4) = 1/2`?

Answer 1

`x =21/4`

Explanation:

`color(blue)(2/5) (x-4) = 1/2`

`(x-4) = 1/2 xx color(blue)( (5/2)`

`(x-4) = 5/4`

`x = 5/4 +4`

`x = 5/4 +16/4`

`x =21/4`