Explanation The given algebraic expression is 2 y − 2 x . In order to evaluate the expression 2 y − 2 x at x = − 2 , y = 5 and z = − 3 , replace the variable x by − 2 and replace the variable y by 5 . 2 y − 2 x = 2 ⋅ ( 5 ) − 2 − 2 Multiply 2 and 5 in the above expression as follows

Basic College Mathematics With Early Integers

3rd Edition

ISBN: 9780133864717

Author: Martin-Gay, K. Elayn

Publisher: Pearson,

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Chapter 8.1, Problem 15E

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To evaluate: The algebraic expression 2y−2x when x=−2,y=5 and z=−3.

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Chapter 8.1, Problem 14E

Chapter 8.1, Problem 16E

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Chapter 8 Solutions

Basic College Mathematics With Early Integers

Ch. 8.1 - Prob. 1P Ch. 8.1 - Prob. 2P Ch. 8.1 - Prob. 3P Ch. 8.1 - Prob. 4P Ch. 8.1 - Prob. 5P Ch. 8.1 - Prob. 6P Ch. 8.1 - Prob. 7P Ch. 8.1 - Prob. 8P Ch. 8.1 - Prob. 9P Ch. 8.1 - Prob. 10P

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The algebraic expression 2 y − 2 x when x = − 2 , y = 5 and z = − 3 .

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To evaluate: The algebraic expression 2y−2x when x=−2,y=5 and z=−3.

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Chapter 8 Solutions