Chapter 6 - Systems of Equations and Inequalities - 6-1 Solving Systems by Graphing - Practice and Problem-Solving Exercises - Page 363: 17

$(-1,3)$

$2x-y=-5$ $-2x-y=-1$ $2x-y+(-2x-y)=-5+(-1)$ $2x-y-2x-y = -5-1$ $-2y = -6$ $-2y/-2 = -6/-2$ $y=3$ $2x-y=-5$ $2x-3=-5$ $2x-3+3 = -5+3$ $2x = -2$ $2x/2 = -2/2$ $x= -1$ $(-1,3)$ is the intersecting point (and a solution for both equations)