Sum of two natural numbers is 21 and their difference is 11, find the numbers
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X+y=21
X-y=11 by elimination method
Add 1 St and 2nd equations
We get 2x=32,,,so,,,x=16
Sub x=16 in eqn 1 we get 16+y=21
By that we get y=5
X-y=11 by elimination method
Add 1 St and 2nd equations
We get 2x=32,,,so,,,x=16
Sub x=16 in eqn 1 we get 16+y=21
By that we get y=5
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