347 views
5 votes
Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

Step Work Justification

1 3(x + 2) = 12 Given

2

3 3x + 6 − 6 = 12 − 6 Subtraction Property of Equality

4 3x = 6 Simplify

5 Three times x over three equals six over three Division Property of Equality

6 x = 2 Simplify



A. 3x + 6 = 12; Distributive Property


B. 3x + 2 = 12; Distributive Property


C. 3x + 6 = 12; Multiplication Property of Equality


D. 3x + 2 = 12; Multiplication Property of Equality

2 Answers

3 votes
B. 3x + 6 = 12; Distributive Property
User SDushan
by
8.5k points
4 votes

Answer:

Option A =- 3x + 6 = 12; Distributive Property

Explanation:

Given : Expression
3(x+2)=12

To find : Fill in the missing work and justification for step 2 when solving expression ?

Solution :

Step Work Justification

1
3(x+2)=12 Given

2
3x+6=12 Distributive Property

3
3x + 6-6 = 12-6 Subtraction Property of Equality

4
3x=6 Simplify

5
(3x)/(3)=(6)/(3) Division Property of Equality

6
x=2 Simplify

Therefore, option A is correct.

User Niall Thomson
by
9.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories