Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Entry-Level Assessment - Page xxxix: 1



Work Step by Step

Take equation 5a-15+9a=3a+29 You want to solve for a, so you want to simplify the equation to find the value of a. First, subtract 5a from 5a and from 3a to cancel out the 5a. Now, your equation should look like: -15+9a=-2a+29 Second, you are going to add 15 to -15 and to 29. Your equation should now look like: 9a=-2a+44 Third, your are going to want to add 2a to -2a and 9a Equation: 11a=44 Last, divide by 11 on both sides Answer is a=4 (This is because you need to simplify the equation throughout to get the variable a alone with its corresponding value)
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