Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.4 - Group Activity - Modeling Equation Solving with Addition and Subtraction: 1

Answer

$x=-4$

Work Step by Step

You can use the physical counters in the book to find the variable, or $x-3=-7$ Add 3 to both sides $x=-4$
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