   Chapter 1.5, Problem 3E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# In Exercises 1 to 6, which property justifies the conclusion of the statement?If x + 5 = 12 , then x = 7 .

To determine

To find:

The property that justifies the conclusion of the statement “If x+5=12, then x=7”.

Explanation

Given:

The statement is “If x+5=12, then x=7”.

Approach:

The given statement is based on hypothesis and conclusion. Let x+5=12 be the hypothesis and x=7 be the conclusion.

The Subtractive Property of Equality states that if same number is subtracted to both sides of the equation then the sides of the equation remains equal.

Calculation:

Solve the hypothesis x+5=12 using Subtraction Property

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