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 2 years ago
Jennifer wrote the following steps to simplify the expression: 3 – (x + 2x – 5).
Step
Mathematical Statement
Justification
0
3 – (x + 2x – 5)
Given
1
3 – x – 2x + 5
Distributive Property
2
3 + 5 – x – 2x
Commutative Property of Addition
3
(3 + 5) + (–x – 2x)
Commutative Property of Addition
4
8 – 3x
Combine Like Terms
Which step of justification is incorrect, and what should the justification for that step be to simplify the expression?
Answer
Step 4; Multiplication Property of Equality
Step 1; Commutative Property of Multiplication
Step 3; Associative Propert
 2 years ago
Jennifer wrote the following steps to simplify the expression: 3 – (x + 2x – 5). Step Mathematical Statement Justification 0 3 – (x + 2x – 5) Given 1 3 – x – 2x + 5 Distributive Property 2 3 + 5 – x – 2x Commutative Property of Addition 3 (3 + 5) + (–x – 2x) Commutative Property of Addition 4 8 – 3x Combine Like Terms Which step of justification is incorrect, and what should the justification for that step be to simplify the expression? Answer Step 4; Multiplication Property of Equality Step 1; Commutative Property of Multiplication Step 3; Associative Propert

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aroub
 2 years ago
Best ResponseYou've already chosen the best response.2Step 3; Associative Propert
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