49.1k views
17 votes
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

User Go Minimal
by
3.1k points

2 Answers

3 votes

Answer: Its A

Explanation:

User Kinwolf
by
3.4k points
7 votes

Answer:

  • A. {x - y = 17 x + y = 23}.

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).

User Andrew Nguyen
by
3.6k points