# Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises: 23

x=14$^{\circ}$ y=4$^{\circ}$

#### Work Step by Step

40$^{\circ}$=3x-y+2 y=3x-38 2x+3(3x-38)=40$^{\circ}$ 2x+9x-114=40$^{\circ}$ 11x=154$^{\circ}$ x=14$^{\circ}$ y=3(14$^{\circ}$)-38 y=4$^{\circ}$

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