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Exercises Expressions, exponents and radicals

Example 7.27 from Prealgebra, 7.3 Distributive Property

Distributive Property: example 7.27

Simplify: $- (y + 5) .$

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

Multiplying by −1 results in the opposite.

Distribute.

Simplify.

Simplify.

Your turn

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

Simplify: $- (z - 11) .$

How did it go?

PreviousDistributive Property: example 7.26 Next Distributive Property: example 7.28

From Prealgebra (1st edition) by OpenStax (Rice University), section 7.3, 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.