#### Answer

x = -1
y = 3

#### Work Step by Step

$\begin{bmatrix}
2 & 6 & |16\\
2 & 3 & |7\\
\end{bmatrix}$ ~ $\begin{bmatrix}
2 & 6 & |16\\
0 & 3 & |9\\
\end{bmatrix}$
Back-Substitution:
3y = 9
y = 3
2x + 6(3) = 16
x = -1
x = -1
y = 3

Chegg costs money, GradeSaver solutions are free!

Published by
Cengage Learning

ISBN 10:
9781337271172

ISBN 13:
978-1-33727-117-2

x = -1
y = 3

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.