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McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

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Exercise 1 Page 3

Recall that a+(- b)=a-b.

12.25

Practice makes perfect

Before we simplify this expression, let's rewrite it a little. Remember, instead of adding a negative number, you can subtract.

15.7+(-3.45)

a+(- b)=a-b

15.7-3.45

Let's perform this subtraction using a calculator.