Respuesta :
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!
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