Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 10 - Test - Page 496: 19

Answer

$(-1,4)$

Work Step by Step

We multiply the second equation by 2 and the first equation by 5. Then, we add them to find: $(25x+6x)+(10y-10y)=(-65+34)$ $31x=-31$ Thus: $x=-1$ Then, we plug this back into the first equation: $5(-1)-2y=-13$ $-2y=-8$ $y=4$ This gives the point (-1,4).
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