Answer
Answer C
Work Step by Step
Solve for x:
$2x=6.4$
$x=3.2$
Solve for y:
$-0.75=3y$
$y=-0.25$
Hence, $3x-2y=3(3.2)-2(-0.25)=9.6+0.5=10.1$
The correct answer is C.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 3 Linear Systems and Matrices - 3.5 Perform Basic Matrix Operations - 3.5 Exercises - Skill Practice - Page 191: 28
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