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2 votes
The sum of two numbers is 90. Their difference is 18. Find the numbers.

1 Answer

3 votes
let x and y are the 2 numbers
x + y = 90
x - y = 18
-----------add
2x = 108
x = 54
x + y = 90
54 + y = 90
y = 36

answer
the numbers are 54 and 36


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