Answer
$3x+4$
Work Step by Step
To remove parentheses preceded by a plus sign, do not change the sign of any of the terms within the parentheses.
$4x+(4-x)=4x+4-x$
To combine like terms, add the coefficients.
$4x+4-x=(4+(-1))x+4=3x+4$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise - Page 218: 43
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
