# Chapter 6 - Systems of Equations and Inequalities - 6-1 Solving Systems by Graphing - Lesson Check - Page 363: 4

#### Work Step by Step

$y=-x-4$ $-3 = -1*-1-4$ $-3 = 1-4$ $-3 = -3$ $4x-y=-1$ $4*-1--3=-1$ $-4 +3 = -1$ $-1 = -1$

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