body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

Get Ready for the Chapter

Finish the assignment

Continue to next subchapter

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.