Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Appendix A - A.2 - Formulas and Equations - Exercises - Page 549: 3

Answer

$2x - 2$

Work Step by Step

$x + (3x + 2) - (2x + 4)$ By expanding the last bracket, we have to multiply it by (-1). This gives us: $x + 3x - 2x + 2 - 4 = 2x - 2$
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