Which property justifies the work between steps 7 and 8? Additive Inverse Multiplicative Identity Addition Property of Equality Additive Identity Symmetric Property of Equality Associative Property

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Which property justifies the work between steps 7 and 8?

Additive Inverse

Multiplicative Identity

Addition Property of Equality

Additive Identity

Symmetric Property of Equality

Associative Property

The given mathematical problem involves solving for \( x \) using algebraic manipulation. Here is a step-by-step transcription of the process:

**Given:**
\[ 4(x - 1) = 10x + 2 \]

**Step 1:**
\[ 10x + 2 = 4(x - 1) \]

**Step 2:**
\[ 10x + 2 = 4x - 4 \]

**Step 3:**
\[ 10x + 2 - 4x = 4x - 4 - 4x \]

**Step 4:**
\[ 10x - 4x + 2 = 4x - 4x - 4 \]

**Step 5:**
\[ 6x + 2 = -4 \]

**Step 6:**
\[ 6x + 2 = -4 - 2 \]

**Step 7:**
\[ 6x + 0 = -6 \]

**Step 8:**
\[ 6x = -6 \]

**Step 9:**
\[ 6x \left( \frac{1}{6} \right) = -6 \left( \frac{1}{6} \right) \]

**Step 10:**
\[ 1x = -1 \]

**Step 11:**
\[ x = -1 \]

This solution follows through distributing, combining like terms, and isolating \( x \) to find its value. Each step shows the transformation of the equation through operations like distribution, addition, subtraction, and division.
Transcribed Image Text:The given mathematical problem involves solving for \( x \) using algebraic manipulation. Here is a step-by-step transcription of the process: **Given:** \[ 4(x - 1) = 10x + 2 \] **Step 1:** \[ 10x + 2 = 4(x - 1) \] **Step 2:** \[ 10x + 2 = 4x - 4 \] **Step 3:** \[ 10x + 2 - 4x = 4x - 4 - 4x \] **Step 4:** \[ 10x - 4x + 2 = 4x - 4x - 4 \] **Step 5:** \[ 6x + 2 = -4 \] **Step 6:** \[ 6x + 2 = -4 - 2 \] **Step 7:** \[ 6x + 0 = -6 \] **Step 8:** \[ 6x = -6 \] **Step 9:** \[ 6x \left( \frac{1}{6} \right) = -6 \left( \frac{1}{6} \right) \] **Step 10:** \[ 1x = -1 \] **Step 11:** \[ x = -1 \] This solution follows through distributing, combining like terms, and isolating \( x \) to find its value. Each step shows the transformation of the equation through operations like distribution, addition, subtraction, and division.
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