the sum of two numbers is 9 and the difference is 5 who ever get it wins 1000000000
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0
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Hello Mate!
Let one number be x and other y
Now, x + y = 9
x + y - 9 = 0 ------(1)
5 times of 1st number - 3 times of another = 5
5 x - 3y = 5
5x - 3y - 5 = 0 -------(2)
Let's multiply - 5 from (1) eq., we get :
-5x - 5y + 45 = 0 -------(3)
Add eq., (2) and (3)
-8y + 40 = 0
-8y = -40
y = - 40 / - 8
y = 5
Now keep y value in (1)
x - 5 - 5 = 0
x - 10 = 0
x = 10
Hope it helps☺!
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