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Exercises Numbers, fractions and percents

Example 3.26 from Prealgebra, 3.2 Add Integers

Add Integers: example 3.26

Translate and simplify: the sum of $−9$ and $5 .$

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Solution

The sum of −9 and 5 indicates addition. the sum of $−9$ and $5$

Translate. $−9 + 5$

Simplify. $−4$

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

Translate and simplify the expression:

the sum of $−7$ and $4$

How did it go?

PreviousAdd Integers: example 3.25 Next Add Integers: example 3.27

From Prealgebra (1st edition) by OpenStax (Rice University), section 3.2, licensed under CC BY 4.0. Original at openstax.org. We split the solution into steps; the words, numbers and figures are the book's. OpenStax doesn't endorse this site.