What is the solution to the system? 2x+3y=1 -2x-y=9 A (-7,5) B (5,-3) C (5,-7) D (-3,5)

James Linden asked Mar 21, 2023

152,506 views

2 votes

What is the solution to the system?

2x+3y=1
-2x-y=9
A (-7,5)
B (5,-3)
C (5,-7)
D (-3,5)

James Linden asked Mar 21, 2023

2.7k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

15 votes

Answer:

Explanation:

Adding the equations,

$2y=10 \implies y=5 \\ \\ \therefore 2x+3(5)=1 \implies x=-7$

Greenflow answered Mar 28, 2023

2.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers