the difference between two number is 16. if their sum is 68 . What are the number
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Let the one number be x
And other be y
So,
x - y = 16........(i)
x + y = 68........(ii)
Add (i) and (ii) We get,
2x = 84
=> x = 84/2 = 42
Now,
From equation (i)
x - y = 16
=> 42 - y = 16
=> - y = 16 - 42
=> - y = - 26
=> y = 26
So,
x = 42 and y = 26
PROVE..................
42 - 26 = 16
42 + 26 = 68
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