Concept explainers
In Exercises 85–88, substitute a value for x to make the statement true. You don’t need algebra to do these exercises—just use your common sense and knowledge of working with signed numbers.
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Mathematics All Around With Integrated Review, Loose-leaf Version Plus Mylab Math -- Access Card Package (6th Edition)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell