SOLUTION: One number is 4 more than another. The difference between their squares is 80. What are the number?

Question 593629: One number is 4 more than another. The difference between their squares is 80.
What are the number?
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
Let
numbers are x and y
one number is 4 more than another
...........(1)
The difference between their squares is 80
..........(2)
put the value of x from (1) to (2)

Put the value of y in (1)
...........(1)

Numbers are 12,8

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