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alexgriva [62]
3 years ago
6

The sum of two numbers is 15. One number is three less than the other. Find the numbers.

Mathematics
1 answer:
Llana [10]3 years ago
7 0

 let the numbers  x and y

sum of two numbers is x + y = 15     eq 1

given  {  one number is 3 less than so  :  y = x-3}


put in equation

x  + x -3  = 15

2x - 3 = 15

2x =  18

x = 9

y =  ( x-3 ) = ( 9 -3)  = 6

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