The sum of two numbers is 31. One number is 15 less than the other. Find the numbers.The smaller number is: The larger number is:

解

T h e s u m o f tw o n u mb ers i s 31. O n e n u mb er i s 15 l ess t han t h e o t h er . F in d t h e n u mb ers . T h e s ma ll er n u mb er i s : T h e l a r g er n u mb er i s :

解なし

解答ステップ

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

x + y = 31

x = y - 15

x = y

equation系を解く:

x + y = 31, x = y - 15, x = y :

解なし

解なし