Respuesta :

x/42 = (32 -x) / 6
6x = 42(32-x)
6x = 1344 - 42x
48x = 1344
    x = 28

answer is D. 28

42/x = 6/32-x=

6x/1344-42x

1344 = 48x

x = 1344/48 = 28

 answer is D. 28