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Chapter 1: Problem 7

Identify the left side and the right side of the equation \(8+3 x=5 x-9\)

Short Answer

Expert verified
The Left Hand Side (LHS) of the equation is \(8 + 3x\) and the Right Hand Side (RHS) of the equation is \(5x - 9\).

Step by step solution

01

Identify the Equation

The equation provided is \(8 + 3x = 5x - 9\).
02

Locate the Equals Sign

The equals sign in the equation is located between 3x and 5x.
03

Identify Left and Right Hand Sides

Everything to the left of the equals sign forms the left-hand side (LHS), so the LHS of this equation is \(8 + 3x\). Everything to the right of the equals sign forms the right-hand side (RHS), so the RHS of this equation is \(5x - 9\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Equation Solving
To solve an equation, we are essentially looking for the value of the variable that will make the equation true. When we refer to an equation, we are talking about a mathematical statement that asserts the equality of two expressions. Essentially, you will have some operations done with numbers and variables, separated by an equals sign.
  • To solve an equation, our goal is to isolate the variable on one side.
  • This involves performing the same operation on both sides to maintain equality.
  • Common operations include addition, subtraction, multiplication, and division.
Understanding how equations work is a foundational skill in algebra. Once you know how to manipulate them, you can apply these skills to solve a variety of real-world problems.
Left-Hand Side
In an equation, the Left-Hand Side (often abbreviated as LHS) is everything that appears to the left of the equals sign. It is one of the two expressions being compared in an equation. For the equation given, the LHS is \(8 + 3x\).
  • It consists of numbers and variables, which are components of expressions.
  • The LHS can include addition, subtraction, and even more complex operations, depending on the equation.
  • Identifying the LHS is crucial as it helps focus on understanding that only this side needs to undergo operations for solving.
By mastering what defines the LHS, you'll be better prepared to manipulate the equation effectively.
Right-Hand Side
The Right-Hand Side, or RHS, of an equation contains everything that appears to the right of the equals sign. For the equation at hand, the RHS is \(5x - 9\).
  • Similarly to the LHS, the RHS may also contain variables, constants, and operational signs like addition or subtraction.
  • While solving the equation, the RHS should be treated with the same operations as the LHS.
  • It's important to realize that both sides must be kept balanced during the solving process.
Viewing the RHS as a separate entity within the equation makes it easier to apply the necessary operations for solving efficiently.
Equals Sign
The equals sign is a crucial part of an equation, symbolizing that what is on the left-hand side is 'equal to' what is on the right-hand side. In mathematics, the equals sign serves as a bridge between the two expressions.
  • It tells us that the two sides are of identical value or represent the same point of truth.
  • The equals sign ensures that whatever operation is done on one side must also be done on the other to maintain balance.
  • When manipulating equations, one of the key rules is to keep this balance, which is why the equals sign is such a critical component.
Remember, the main goal in solving algebraic equations is to maintain this balance as we work towards isolating the variable.

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Most popular questions from this chapter

Evaluate the expression. $$7[(18-6)-6]$$

Match the problem with the formula needed to solve the problem. Then use the Guess, Check, and Revise strategy or another problem-solving strategy to solve the problem. Area of a rectangle \(\quad A=l w \quad\) Distance \(\quad d=r t\) Simple interest \(\quad I=P r t \quad\) Volume of a cube Temperature \(\quad C=\frac{5}{9}(F-32)\) Surface area of a cube \(S=6 s^{2}\) You want to construct a patio of 80 square feet with a length of 10 feet. What is the width of the patio?

Evaluate the expression for the given value of the variable. $$ (8 x)^{3} \text { when } x=2 $$

Match the problem with the formula needed to solve the problem. Then use the Guess, Check, and Revise strategy or another problem-solving strategy to solve the problem. Area of a rectangle \(\quad A=l w \quad\) Distance \(\quad d=r t\) Simple interest \(\quad I=P r t \quad\) Volume of a cube Temperature \(\quad C=\frac{5}{9}(F-32)\) Surface area of a cube \(S=6 s^{2}\) A cubic storage box is made with 96 square feet of wood. What is the length of each edge?

Write the expression in exponential form. $$t+t+t+t+t+t$$
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