Someone please answer this I really need help! Explain how to use properties to prove d + (8d + 1) + 7 is equivalent to 8 + 9d.
(1) Answers
I'm not quite sure if this is correct but d = 1 8d +d = 9d the you have 1 and 7 + 1 = 8 hope this helps :)
Add answer
Sign in
Sign up