Help i dont understand 4x+y=-18x+2y=0

Perkss asked Nov 9, 2023

530,196 views

37 votes

Perkss asked Nov 9, 2023

3.0k 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.

20 votes

Given:

$\begin{gathered} 4x+y=-1 \\ 8x+2y=0 \end{gathered}$

Sol:.

$\begin{gathered} 8x+2y=0 \\ 8x=-2y \end{gathered}$

Put the value of y in second equation:

$\begin{gathered} 4x+y=-1 \\ 4x-4x=-1 \end{gathered}$

Adam Chetnik answered Nov 16, 2023

2.7k 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