OpenStax, Elementary Algebra 2e §1.9 Properties of Real Numbers · Try It 6 · Algebra · Expressions

Properties of Real Numbers · Try It 6

Use the associative property to simplify $- 9 (7 y) .$

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OpenStax, Elementary Algebra 2e · §1.9 Properties of Real Numbers · Try It 6

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Checked against the answer in OpenStax, Elementary Algebra 2e.