hi guys help please you will get 20 points i rlly need help

Answer:
3cm
Step-by-step explanation:
5 + 5 +2x = 16
subtract 5 twice
2x = 6
divide both sides by 2
x = 3
Answer:
3
Step-by-step explanation:
5+5= 10
16-10= 6
6/2= 3
hope it helps