Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.2 - Adding Integers - Exercise Set - Page 114: 77



Work Step by Step

Temperature at 4pm is -10 degree Celsius, Temperature at 11pm is $x$, Temperature rise 12 degree from at 4pm, So, $x-(-10)=12$, $x+10=12$, $x+10-10=12-10$, $x+0=2$, $x=2$
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