Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.2 - Solving Systems of Linear Equations by Substitution - Exercise Set: 51

Answer

Equation C would allow you to avoid fractions.

Work Step by Step

7x-y=19 Looking at this equation, it will be easy to solve for y. First, subtract 7x on both sides. -y=19-7x Then multiply both sides by -1. y=-19+7x No fractions were involved in solving for y.
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