Erin and Antonio were shown the following diagram. They were asked to solve for the measure of ∠A∠A in degrees.     © 2019 StrongMind. Created using GeoGebra.   Erin says the first step is to set 2x+72x+7 equal to  Antonio says the first step is to set 2x+72x+7 plus 5x−25x−2 equal to

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.5: The Distributive Property
Problem 65WE
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Erin and Antonio were shown the following diagram.

They were asked to solve for the measure of ∠A∠A in degrees.

 

 

© 2019 StrongMind. Created using GeoGebra.

 

Erin says the first step is to set 2x+72x+7 equal to 

Antonio says the first step is to set 2x+72x+7 plus 5x−25x−2 equal to 
 

D
(5х — 2)°
(2x + 7)°
E
Transcribed Image Text:D (5х — 2)° (2x + 7)° E
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