Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Practice and Problem-Solving Exercises - Page 9: 55

Answer

2x+6 (2x+4)-2

Work Step by Step

This diagram could be interpreted as two rows as x+4 with 2 units substracted. That goves the expression of 2(x+4)-2. When 2(x+4) is multiplied out 2 units are substracted, another expression for the diagram 2x+6 is yielded.
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