we have to find equation similar to

Firstly , we can divide both sides by 2


now, we can multiply both sides by 3

we get
............Answer
Answer:
10a + 2b
Step-by-step explanation:
Add the lengths of all sides:
3a + b + b + 2a - b + 3a + b + b + 2a - b
Now combine like terms:
10a + 2b
I believe its D, 7.5% But check it with other sources because IM not 100% positive!