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