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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

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: Structure And Method, Book 1
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
Section2.7: Problem Solving: Consecutive Integers
Problem 4OE
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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
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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