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If x = 1 and y =-2, what is the value of -x- y

If x = 1 and y =-2, what is the value of -x- y

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Problem Statement:** If \( x = -1 \) and \( y = -2 \), what is the value of \( -x - y \)? **Solution Steps:** To solve the given problem, substitute the values of \( x \) and \( y \) into the expression: 1. The expression is \( -x - y \). 2. Substitute \( x = -1 \) into the expression: \(-(-1) = 1\) 3. Substitute \( y = -2 \) into the expression: \(-(-2) = 2\) 4. Now evaluate \( 1 + 2 \). **Answer:** The value of \( -x - y \) is 3. **Explanation:** - The negative sign in front of each variable negates their values, so \(-x\) becomes 1 and \(-y\) becomes 2. - Adding these two results (1 + 2) gives the final answer of 3.
Transcribed Image Text:**Problem Statement:** If \( x = -1 \) and \( y = -2 \), what is the value of \( -x - y \)? **Solution Steps:** To solve the given problem, substitute the values of \( x \) and \( y \) into the expression: 1. The expression is \( -x - y \). 2. Substitute \( x = -1 \) into the expression: \(-(-1) = 1\) 3. Substitute \( y = -2 \) into the expression: \(-(-2) = 2\) 4. Now evaluate \( 1 + 2 \). **Answer:** The value of \( -x - y \) is 3. **Explanation:** - The negative sign in front of each variable negates their values, so \(-x\) becomes 1 and \(-y\) becomes 2. - Adding these two results (1 + 2) gives the final answer of 3.
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