Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 1 - Section 1.2 - Informal Geometry and Measurement - Exercises - Page 19: 47


x=102$^{\circ}$ y=78$^{\circ}$

Work Step by Step

Given: x+y=180$^{\circ}$, x-y=24$^{\circ}$ Isolate variable: x=24$^{\circ}$+y Use Substitution: (24$^{\circ}$+y)+y=180$^{\circ}$ 2y=156$^{\circ}$ y=78$^{\circ}$ Substitute Y to find X: x=24$^{\circ}$+78$^{\circ}$ x=102$^{\circ}$
Update this answer!

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

Update this answer

After 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.