#### Answer

-5x + 5y = 50

#### Work Step by Step

-x + y = 10 multiply by 5 to both sides
5 ( -x + y ) = $5\times10$
-5x + 5y = 50

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

-5x + 5y = 50

-x + y = 10 multiply by 5 to both sides
5 ( -x + y ) = $5\times10$
-5x + 5y = 50

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