Question

Name each indicated property. If $a+2=4$, then $a+2-2=4-2$

Name: Problem 20, Chapter 2: Intermediate Algebra for College Students
Uploaded: 2020-02-29T18:44:18-08:00
Duration: 19 s
Channel: Zach Steedman
Description: Name each indicated property. If a+2=4, then a+2-2=4-2

   Name each indicated property. If $a+2=4$, then $a+2-2=4-2$

Intermediate Algebra for College Students

Allen R. Angel;… 10th Edition

Chapter 2, Problem 20

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Solved by Expert Zach Steedman

02/29/2020

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First, we are given the equation $a+2=4$. Show more…

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Name each indicated property. If $a+2=4$, then $a+2-2=4-2$

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Key Concepts

Subtraction Property of Equality

This property states that if two expressions are equal, subtracting the same quantity from both sides of the equation maintains the equality. It is a fundamental tool for isolating a variable in an equation.

Properties of Equality

These are the principles that guide the manipulation of equations. They assure that performing the same operation on both sides of an equality, such as addition or subtraction, preserves the balanced relationship between the expressions.

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