Answer:
for the 5x=4y=24 question, I just changed it to 5x-4y=24 because I think that's what you meant.
or if it isn't then
5(4)=4y=24
20/4 =4y/4
therefore Y=5
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24/4 = 4y/4
therefore Y= 6
y= 5 and 6
I think that's how you do it.if you meant the question 5x = 4y=24