Answer
$x=4\\y=5$
Work Step by Step
Given: $3x-y=7\\x+2y=14$
Multiply both sides of the first equation by $2$, and then add it to the second equation:
$7x=28$
Solve for x: $x=4$
Find y: $4+2y=14\\2y=10\\y=5$
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 7 Exponential and Logarithmic Functions - 7.6 Solve Exponential and Logarithmic Equations - 7.6 Exercises - Mixed Review - Page 522: 62
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