Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 8 - Section 8.1 - Linear Equations with Two Variables - Exercises: 2


(2,12) (7,22) (-4,0)

Work Step by Step

$-2x+y=8$ $-2(2)+12=-4+12=8$ $-2(7)+22=-14+22=8$ $-2(-4)+0=8+0=8$
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