Respuesta :

therealdarg0s

Answer:

21

Step-by-step explanation:

First add 1 and 3 which will give you 4 then you add 4 and 7 and will get 11 then add 1 to get 12 then add 4 to get 16 then add 2 and get 18 and then add 3 and you will get the final answer 21

Hope this helps!

dspader

Answer:

See below.

Step-by-step explanation:

Order of operations state that the order in which to solve is left to right.

1+3+7+1+4+2+3

1+3=4

4+7=11

11+1=12

12+4=16

16+2=18

18+3=21

-hope it helps