4 When solving the equation 4(3x +2)-9=&r² +7, Emily wrote 4(3x +2) = &r+ 16 as her first step. Which property justifies Emily's first step? 1) addition property of equality 2) commutative property of addition 3) multiplication property of equality 4) distributive property of multiplication over addition

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
Chapter5: Factoring Polynomials
Section5.13: Using Factoring To Solve Problems
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4 When solving the equation 4(3x +2)-9=&r² +7, Emily wrote 4(3x +2) = &r+ 16 as her first step. Which
property justifies Emily's first step?
1) addition property of equality
2) commutative property of addition
3) multiplication property of equality
4) distributive property of multiplication
over addition
Transcribed Image Text:4 When solving the equation 4(3x +2)-9=&r² +7, Emily wrote 4(3x +2) = &r+ 16 as her first step. Which property justifies Emily's first step? 1) addition property of equality 2) commutative property of addition 3) multiplication property of equality 4) distributive property of multiplication over addition
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