Question

18+x=25.Error method.​

Answer 1

Answer:

7

Step-by-step explanation:

=x=25-18

=+7

X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976