Question 624485
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Hi
a <u>positive number</u> is 5 times another number{{{highlight(x)}}}   
if 21 is added to both the numbers: {{{highlight(x+21)}}}  {{{highlight(5x+21)}}}  
then one of the number becomes twice the other new no. what are the nos.
Question states*** Note: as x is a positive number...5x is larger that x
     5x + 21 = 2(x+21)
         x = 7, the smaller number.  larger number is 35
and
CHECKING our Answer*** 
    35+21 = 56 = 2(7+21) = 2*28