Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - Concept and Vocabulary Check - Page 189: 4

Answer

When solving $2x+10y=9$ and $8x+5y=7$ by the addition method, you can eliminate y by multiplying the second equation by -2, then add the equations.

Work Step by Step

When solving $2x+10y=9$ and $8x+5y=7$ by the addition method, you can eliminate y by multiplying the second equation by -2, then add the equations.
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