Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set: 19

Answer

$x=-8$

Work Step by Step

Multiply both sides by -$\frac{2}{7}$ to isolate the variable. 28=-$\frac{7}{2}$x -$\frac{7}{2}$x=28 $\frac{-2(-7)x}{7(2)}$=-$\frac{28(2)}{7}$ $x=-\frac{56}{7}$ $x=-8$ Check the answer. -$\frac{7}{2}$(-8)=28 $\frac{7(8)}{2}$=28 $\frac{56}{2}$=28 28=28
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.