addition algebra

16 LETTERS · STARTS WITH A

addition algebra is a valid 16-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1D2D2I1T1I1O1N1A1L1G2E1B3R1A1

1 + 2 + 2 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does addition algebra mean?