The sum of two numbers is 28. The first number, x, is three times the second number, y.
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According to condition 1:-
x+y=28............(1)
According to condition 2:-
x=3y
x-3y=0............(2)
equation (1)-(2)
we get the answer 4y=28
hence, y=7
as we know, x=3y
x=3*7
x=21
x+y=28............(1)
According to condition 2:-
x=3y
x-3y=0............(2)
equation (1)-(2)
we get the answer 4y=28
hence, y=7
as we know, x=3y
x=3*7
x=21
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