Answer :
Answer:
7d+11
Step-by-step explanation:
Pretty much just addition.
3d+4d+2+9
(3d+2)+(4d+9) = 7d+11.
7d + 11
Steps:
(3d + 2) + (4d + 9)
3d + 2 + 4d + 9
7d+ 11
Steps:
(3d + 2) + (4d + 9)
3d + 2 + 4d + 9
7d+ 11