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人気のある Word Problems >

the sum of two numbers is equal to 15, and their 差 is equal to 41. what numbers are these?

解

t h e s u m o f tw o n u mb ers i s e q u a l t o 15, an d t h e i r d i ff ere n ce i s e q u a l t o 41. w ha t n u mb ers a re t h ese ?

解

The numbers : 28, - 13

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 15

x - y = 41

x + y = 15, x - y = 41 : x = 28, y = - 13

The numbers : 28, - 13

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