If you mean this:
x + 3 = 12
then for finding the answer you should just put -3 on both sides and you will get 9 for your answer!
Happy Thanksgiving :)
Answer:
angle c is right angle because,
it is proved by Pythagoras theorem....
now,we check that

Answer:
dang I don't know! All I know is that it is more than 1-2 inches... I think.
Answer:I think the y=17 I can’t remember what was right on I-ready
Step-by-step explanation: