Linney stepped up, doubling Altrincham’s lead on the half hour, then Newby found Joe Nuttall, who tucked away the hosts’ third in the 74th minute.
Regan Linney nearly fired the hosts in front with an effort that was ultimately cleared off the line, but only as far as Newby who tapped home the eighth-minute opener.
Newby nearly added another moments later before he was brought down inside Braintree’s area and the referee pointed to the spot.
Alex Newby scored and added an assist to help Altrincham to a 3-1 victory over Braintree.