# Chapter 10 - 10.1 - Matrices and Systems of Equations - 10.1 Exercises - Page 711: 60

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

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