Answer
2
Work Step by Step
Temperature at 4pm is -10 degree Celsius,
Temperature at 11pm is $x$,
Temperature rise 12 degree from at 4pm,
So, $x-(-10)=12$,
$x+10=12$,
$x+10-10=12-10$,
$x+0=2$,
$x=2$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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
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