/*! 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} Q7 Find the value of the variable.3... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q7 (page 10)

Find the value of the variable.

3x=15

Short Answer

Expert verified

The value of the variable is x=5.

Step by step solution

01

Step 1. Divide by 3.

To find the value of variable x in the equation 3x=15, divide both sides of the equation by 3.

3x3=153

02

Step 2. Simplify the equation.

To further simplify, cancel the common factors of 3.

3x3=5脳33x=5

03

Step 3. Verify the value.

In order to verify the value of x, substitute 5 for x into the equation 3x=15.

3脳5=1515=15True

Hence, the value of the variable is x=5.

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

A plane can be named by three or more non-collinear points it contains. In chapter 12 you will study pyramids like the one shown at the right below.

Name a line and a plane that intersect in a point.

Sketch and label the figures described. Use dashes for hidden parts.

Vertical line l intersects a horizontal plane M at point O.

Name two planes that intersect in FG鈫�.

Classify each statement as true or false.

Point C is in R and S.

Classify each statement as true or false.

A,B, and C are collinear.
See all solutions

Recommended explanations on Math Textbooks

Logic and Functions

Read Explanation

Probability and Statistics

Read Explanation

Statistics

Read Explanation

Mechanics Maths

Read Explanation

Discrete Mathematics

Read Explanation

Calculus

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.