Chapter 8: Q27. (page 406)

Evaluate the expression when $x = - 5$ and $y = - 7$ .
$x + y$

Short Answer

Expert verified

The value of given expression would be $- 12$ .

Step by step solution

Step 1. Given Information.

An expression: $x + y$

Step 2. Calculation.

To find the value of the given expression, we will substitute $x = - 5$ and $y = - 7$ in our given expression as shown below:

role="math" localid="1649434581420" $\begin{matrix} x + y = - 5 + (- 7) (Substitutinggivenvalues) \\ = - 5 - 7 \\ = - 12 \end{matrix}$

Step 3. Conclusion.

The value of given expression would be $- 12$ .

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Evaluate the expression when $x = - 5$ and $y = - 7$ .
$x + y$

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

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Evaluate the expression when x=-5 and y=-7.x+y

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

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Study anywhere. Anytime. Across all devices.

Evaluate the expression when $x = - 5$ and $y = - 7$ .
$x + y$