Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - Cumulative Test Prep - Multiple Choice - Page 528: 1


B) $2x+7y=28$

Work Step by Step

Multiply the equation by 7 $7y=2x-28$ Subtract $2x$ from both sides $-2x+7y=-28$ Multiply the equation by $-1$ $2x-7y=28$
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