Answer
$-1$
Work Step by Step
$2x+y=3$
$2x+y-2x=3-2x$
$y= -2x+3$
$y=-2x+b$
$2=-2*1+b$
$2=-2+b$
$2+2=b-2+2$
$4=b$
$y=-2x+4$
$6=-2x+4$
$6-4=-2x+4-4$
$2=-2x$
$2/-2 = -2x/-2$
$-1 = x$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Standardized Test Prep - Page 573: 54
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