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

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter2: Solving Linear Equations And Inequalities
Section2.1: Solve Equations Using The Subtraction And Addition Properties Of Equality
Problem 2.11TI: Solve: 8y47y7=4 .
icon
Related questions
Question

Where did they make the mistake?

 

Between Line 1 & Line 2
Between Line 2 & Line 3
Between Line 3 & Line 4
Between Line 4 & Line 5
Between Line 5 & Line 6
Between Line 6 & Line 7
Between Line 7 & Line 8
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
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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Elementary Algebra
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9780998625720
Author:
Lynn Marecek
Publisher:
OpenStax College