I need help

Two numbers have a difference of 17 and a sum of 23. Which system of equations can be used to determine x and y, the two numbers?

A.
{x−y=17x+y=23


B.
{x−y=17x−y=23


C.
{x+y=17x−y=23


D.
{x+y=17x+y=23

Respuesta :

Answer:

  • A. {x - y = 17 x + y = 23}.

Step-by-step explanation:

The 2 numbers have a difference of 17.

  • x - y = 17

The 2 numbers have a sum of 23.

  • x + y = 23.

A will be your answer.

(Optional answer: The numbers are 20 and 3).