Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Apply What You've Learned - Page 52: a


Use mental math to solve $x-3=10$ Answer: $x=13$

Work Step by Step

Given equation: $x-3=10$ Think what number minus 3 equals 10 $x-3=10$ solution: $x=13$ check: $13-3=10$ So, $x=13$ is a solution of the equation $x-3=10$ $x=13$
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