the sum of two natural number is 20 while their difference is 4 .find the number
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Solution :-
Let two numbers be x and y.
Sum of x and y = 20
X + Y = 20 ....... (1)
Difference of X and Y
= 4
X - Y = 4 ______(2)
Add equation (1) & equation (2)
2X = 24
X = 12
Put X = 12 in equation (1)
Y = 8
First number is 12 and second number is 8
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