Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 1 - Section 1.3 - Applications of Linear Equations - 1.3 Exercises - Page 74: 15

Answer

$x+6=-31$ $x = -37$

Work Step by Step

We will use x as the unknown number. First we must write an equation representing the verbal sentence. To write "the sum of a number an 6 is -31" as an equation, we need to add 6 to the number, x, and set it equal to -31. Therefore, the equation is: $x+6=-31$. To solve, we need to subtract 6 from both sides: $x+6 -6=-31-6$ resulting in the answer: $x = -37$.
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