Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Calculator Explorations - Checking Equations: 4

Answer

True.

Work Step by Step

Type out the left side of the equation, replacing x with -18. 55(-18 + 10) Hit enter, and the result should be -440. Now, type out the right side of the equation, replacing x with -18. 75(-18) + 910 Hit enter, and the result should be -440. Both sides match, which means -18 is the correct solution to the equation.
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