Sarah and Kayla both solved the problem below. Who solved it correctly? Identify the mistake for the person who solved it incorrectly. Sarah 5x-15-3x = 10-(-3x+20) 2x 15 = 10+ 3x - 20 2x 15 = 10 + 3x -3x -1x 15 = -10 + 15 +15 - 1x = 5 X = -5 - 3x Kayla 5x-15-3x = 10- (-3x+20) 2x 15 = 10 + 3x - 20 2x 15 = 10 + 3x +3x 5x15 -10 +15 +15 5x = 5 X = 1 + 3x
Sarah and Kayla both solved the problem below. Who solved it correctly? Identify the mistake for the person who solved it incorrectly. Sarah 5x-15-3x = 10-(-3x+20) 2x 15 = 10+ 3x - 20 2x 15 = 10 + 3x -3x -1x 15 = -10 + 15 +15 - 1x = 5 X = -5 - 3x Kayla 5x-15-3x = 10- (-3x+20) 2x 15 = 10 + 3x - 20 2x 15 = 10 + 3x +3x 5x15 -10 +15 +15 5x = 5 X = 1 + 3x
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![Sarah and Kayla both solved the problem below. Who solved it correctly? Identify the
mistake for the person who solved it incorrectly.
Sarah
5x-15-3x = 10-(-3x+20)
2x 15 = 10+ 3x - 20
2x 15 = 10 + 3x
-3x
-1x 15 = -10
+ 15 +15
- 1x = 5
X = -5
- 3x
Kayla
5x-15-3x = 10- (-3x+20)
2x 15 = 10 + 3x - 20
2x 15 = 10 + 3x
+3x
5x15 -10
+15 +15
5x = 5
X = 1
+ 3x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7dd770e6-6891-4961-812f-0b3b62530e73%2Fe147aa5f-340f-4f81-901b-e093d680af73%2Fuhr45y9_processed.png&w=3840&q=75)
Transcribed Image Text:Sarah and Kayla both solved the problem below. Who solved it correctly? Identify the
mistake for the person who solved it incorrectly.
Sarah
5x-15-3x = 10-(-3x+20)
2x 15 = 10+ 3x - 20
2x 15 = 10 + 3x
-3x
-1x 15 = -10
+ 15 +15
- 1x = 5
X = -5
- 3x
Kayla
5x-15-3x = 10- (-3x+20)
2x 15 = 10 + 3x - 20
2x 15 = 10 + 3x
+3x
5x15 -10
+15 +15
5x = 5
X = 1
+ 3x
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