Respuesta :

Answer:

8(4+x)= 64

(8*4)+(8*x)= 64

8x+32= 64

8x= 64-32

8x= 32

x= 32/8

x= 4

32+8x=64
Subtract 32 from both sides...
8x=32
Divide 32 by 8...
X=4