Respuesta :

Hello from MrBillDoesMath!

Answer:

w = 5



Discussion:

48 = 2 (2w) + (4 + 2w)2       =>

48 = 4w        + 4*2 + (2w)*2  =>

48 = 4w       +  8    + 4w        =>   as 4w + 4w = 8w

48 =  8w      +  8                    => subtracting 8 from each side

48 - 8 = 8w                            => divide both sides by 8

(48 -8 )/8 = w                        =>

40/8 = w                                =>

w = 5                                      =>


Check:  2(10) + ( 4 + 2*5)*2 = 20 + 14*2 = 20 + 28 = 48




Thank you,

MrB

Otras preguntas