/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q 124. In the following exercises, eval... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q 124. (page 39)

In the following exercises, evaluate each expression.

7m-4n-2when m=-4 andn=-9

Short Answer

Expert verified

The value obtained is 6.

Step by step solution

01

Step 1. Given Information:

The given expression is 7m-4n-2and the value of the variables are m=-4and n=-9.

02

Step 2. Substitute the values:    

Substitute -4for mand -9for ninto the given expression 7m-4n-2.

7-4-4-9-2

03

Step 3. Multiply:

Perform multiplication from left to right in the obtained expression.

-28--36-2

04

Step 4. Perform Subtraction:

Subtract -36from -28in the obtained expression.

-28--36-2=-28+36-2=8-2

05

Step 5. Perform Subtraction:

Subtract 2 from 8 in the obtained expression.

8-2=6

06

Step 6. Conclusion:

The value obtained is 6.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Simplify 52-323-5

In the following exercises, simplify each expression.

21+310-2

In the following exercises,Perform the indicated operation, 79.38--17.598

The width of a rectangle is 6 less than the length. Letlrepresent the length of the rectangle. Write an expression
for the width of the rectangle.

In the following exercises, Perform the indicated operation.-2.83.97
See all solutions

Recommended explanations on Math Textbooks

Decision Maths

Read Explanation

Mechanics Maths

Read Explanation

Statistics

Read Explanation

Applied Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Pure Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.