Respuesta :

the answer is D=3     11(3*+1)=4(3*+8)
                                      11(4)=4(11)
                                         44=44

11(d+1)=4(d+8)

11d + 11 = 4d + 32 ...using distributive property

11d - 4d = 32 - 11

7d = 21...simplify

d = 21/7

d = 3