#### Answer

-1.5

#### Work Step by Step

Subtracting a negative number is the same as adding a the positive of that number.
-3.6-(-2.1)
-3.6+2.1
-1.5

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

-1.5

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