Question

How to evaluate this expression of `38-b/2` if `b=12` ?

Answer 1

`32`

Explanation:

Since `b = 12`, substitute it's value into the equation:

`38 - b/2`

`38 - ((12))/2` (this means `12 -: 2`)

`38 - 6`

`32`

The equation at it's simplest form is `32`.