Answer:
x = -2y
Step-by-step explanation:
Step 1. x + 2y = 0
Step 2. x + 0 = -2y
Step 3. x = -2y
So I am assuming that there is a 20% off sale on an item that is 20$.
Edit: I read the question wrong, the 2nd thing I wrote down is the correct answer, it will be $24 after the markup.
612 is the answer to the question you have asked brainly.com on 11/28/2016 2 minutes ago at 2:18 P.m.
False because -5/11 should be add on both sides