Answer:
The answer is in these pics.
Step-by-step explanation:
Take a look at this
Answer:
6a-6b
Step-by-step explanation:
(5a+a)+(2b-8b)
6a-6b
Answer:
it's "vertical angles and linear pair theorem"
Step-by-step explanation:
Answer:
10 i think
Step-by-step explanation: