Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.5 - Subtracting Real Numbers - Exercise Set: 70

Answer

Solution

Work Step by Step

We can determine whether or not the given number is a solution of the given equation by plugging in the number into the equation. If both sides of the equation are equal after plugging in the number, we know that the given number is a solution. $x-10=-7$ $(3)-10=3+(-10)=-7=-7$ Therefore, $x=3$ is a solution.
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