the sum two number is 18.if one of them exceeds the other by 13,then the smaller of the two nummber is
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let one no be x
other no=y
x+y=18
x-y=13
______
2x=31
x=15.5
y=2.5
other no=y
x+y=18
x-y=13
______
2x=31
x=15.5
y=2.5
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