Respuesta :

Start by plugging in 4 for x.


1st Step: 2(3*4) - 6        Plug in 4 for x

2nd Step: (2 * 3 * 4) - 6    Simplify the equation

3rd Step: 24 - 6      2 x 3 x 4 is equal to 24

4th Step: 18     Simplify