Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 9 - Section 9.7 - Common Logarithms, Natural Logarithms, and Change of Base - Exercise Set - Page 586: 74

Answer

$(0,5)$

Work Step by Step

$5x+y=5$ $-3x-2y=-10$ $2*(5x+y)=5*2$ $10x+2y=10$ $-3x-2y=-10$ $10x+2y=10$ $-3x-2y+10x+2y=-10+10$ $7x=0$ $7x/7=0/7$ $x=0$ $5x+y=5$ $5*0+y=5$ $0+y=5$ $y=5$
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