Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter1: Introduction To Algebra
Section1.9: Opposites And Absolute Values
Problem 27OE
Related questions
Concept explainers
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Decide whether the statement is true or false.
The equation
4(x−8)=4x−32 is an example of an identity.
Expert Solution
Step 1
4(x−8)=4x−32
4x - 48 = 4x - 32
4x - 32 = 4x -32
Add 32 on both sides
4x - 32 + 32 = 4x -32 +32
4x = 4x
Subtract 4x from both sides of the equation
4x - 4x = 4x - 4x
0 =0
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