College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 8 - Section 8.1 - Systems of Linear Equations: Substitution and Elimination - 8.1 Assess Your Understanding: 1

Answer

x=1

Work Step by Step

3x+4=8-x Subtract 4 from both sides of the equation. 3x=4-x Add x to both sides of the equation. 4x=4 Divide both sides of the equation by 4. x=1
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