YouTube When solving an equation, Francesca's first step is shown below. Which property justifies Francesca's first step? Original Equation: 21(2 + 6) 4 -3x2 -6 - First Step: -7(x2 + 6) – 4 = -3x² – 6 associative property of multiplication commutative property of multiplication subtraction property of equality division property of equality

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter2: Solving Linear Inequalities
Section2.3: Solving Inequalities Using Multiplication Or Division
Problem 33E
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When solving an equation, Francesca's first step is shown below. Which property
justifies Francesca's first step?
Original Equation:
21(a² + 6) ( -)
4 = -3x2 - 6
%3D
First Step:
-7(x? + 6) – 4 = -32² – 6
associative property of multiplication
commutative property of multiplication
subtraction property of equality
division property of equality
Transcribed Image Text:YouTube When solving an equation, Francesca's first step is shown below. Which property justifies Francesca's first step? Original Equation: 21(a² + 6) ( -) 4 = -3x2 - 6 %3D First Step: -7(x? + 6) – 4 = -32² – 6 associative property of multiplication commutative property of multiplication subtraction property of equality division property of equality
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