Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Section 1.3 - Introduction to Geometric Proof - Exercises - Page 54: 25

Answer

1. 2(x+3)-7=11 2. 2x+6-7=11 3. 2x-1=11 4. 2x=12 5. x=6

Work Step by Step

1. Given 2. Multiply 2 to the numbers in the paranthesis 3. Replacing 6-7 with -1 4. Adding 1 to each side of the equation 5. Dividing each side of the equation by 2
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