Simplifying the Given Equivalent Equation

Oct 13, 2025 by windailys.com 103 views

Introduction

In algebra, solving for a variable in an equation often involves isolating that variable on one side of the equation. This can be achieved through various mathematical operations such as addition, subtraction, multiplication, and division. In this article, we will explore how to solve for $w$ in the given equation $\frac{2 x^2}{y} = \frac{w+2}{4}$ .

Step 1: Understand the Given Equation

The given equation is $\frac{2 x^2}{y} = \frac{w+2}{4}$ . To solve for $w$ , we need to isolate $w$ on one side of the equation. This can be achieved by multiplying both sides of the equation by the reciprocal of the coefficient of $w$ , which is $4$ .

Step 2: Multiply Both Sides by the Reciprocal of the Coefficient of $w$

Multiplying both sides of the equation by $4$ gives us:

4 \times \frac{2 x^2}{y} = 4 \times \frac{w+2}{4}

Simplifying the equation, we get:

\frac{8 x^2}{y} = w + 2

Step 3: Isolate $w$ on One Side of the Equation

To isolate $w$ on one side of the equation, we need to subtract $2$ from both sides of the equation. This gives us:

\frac{8 x^2}{y} - 2 = w

Step 4: Compare with the Given Equivalent Equation

The given equivalent equation is $w = \frac{8 x^2 + 2 y}{y}$ . To determine if this equation is equivalent to the equation we derived, we need to simplify the given equation.

Simplifying the Given Equivalent Equation

Simplifying the given equation, we get:

w = \frac{8 x^2 + 2 y}{y}

w = \frac{8 x^2}{y} + \frac{2 y}{y}

w = \frac{8 x^2}{y} + 2

Conclusion

Comparing the simplified given equation with the equation we derived, we can see that they are equivalent. Therefore, the correct answer is:

A. $w = \frac{8 x^2 + 2 y}{y}$

Discussion

In this article, we explored how to solve for $w$ in the given equation $\frac{2 x^2}{y} = \frac{w+2}{4}$ . We derived the equation $w = \frac{8 x^2}{y} - 2$ and compared it with the given equivalent equation $w = \frac{8 x^2 + 2 y}{y}$ . We found that the two equations are equivalent, and therefore, the correct answer is A.

Additional Tips and Tricks

When solving for a variable in an equation, it is essential to isolate that variable on one side of the equation. This can be achieved through various mathematical operations such as addition, subtraction, multiplication, and division. In this article, we used the concept of multiplying both sides of the equation by the reciprocal of the coefficient of $w$ to isolate $w$ on one side of the equation.

Common Mistakes to Avoid

When solving for a variable in an equation, it is essential to avoid common mistakes such as:

Not isolating the variable on one side of the equation
Not using the correct mathematical operations to isolate the variable
Not simplifying the equation correctly

By avoiding these common mistakes, you can ensure that you are solving for the variable correctly and obtaining the correct solution.

Conclusion

Q: What is the first step in solving for $w$ in the given equation?

A: The first step in solving for $w$ in the given equation is to understand the equation and identify the variable that needs to be isolated. In this case, the variable is $w$ .

Q: How do I isolate $w$ on one side of the equation?

A: To isolate $w$ on one side of the equation, you need to multiply both sides of the equation by the reciprocal of the coefficient of $w$ . In this case, the reciprocal of the coefficient of $w$ is $4$ .

Q: What is the reciprocal of the coefficient of $w$ ?

A: The reciprocal of the coefficient of $w$ is the number that, when multiplied by the coefficient of $w$ , gives $1$ . In this case, the coefficient of $w$ is $4$ , so the reciprocal of the coefficient of $w$ is $\frac{1}{4}$ .

Q: How do I simplify the equation after multiplying both sides by the reciprocal of the coefficient of $w$ ?

A: To simplify the equation after multiplying both sides by the reciprocal of the coefficient of $w$ , you need to multiply the terms on both sides of the equation by the reciprocal of the coefficient of $w$ . In this case, you need to multiply both sides of the equation by $4$ .

Q: What is the simplified equation after multiplying both sides by the reciprocal of the coefficient of $w$ ?

A: The simplified equation after multiplying both sides by the reciprocal of the coefficient of $w$ is $\frac{8 x^2}{y} = w + 2$ .

Q: How do I isolate $w$ on one side of the equation?

A: To isolate $w$ on one side of the equation, you need to subtract $2$ from both sides of the equation. This gives you the equation $w = \frac{8 x^2}{y} - 2$ .

Q: What is the equivalent equation to find $w$ ?

A: The equivalent equation to find $w$ is $w = \frac{8 x^2 + 2 y}{y}$ .

Q: How do I determine if the given equivalent equation is equivalent to the equation we derived?

A: To determine if the given equivalent equation is equivalent to the equation we derived, you need to simplify the given equivalent equation and compare it with the equation we derived. If the two equations are the same, then the given equivalent equation is equivalent to the equation we derived.

Q: What is the correct answer?

A: The correct answer is A. $w = \frac{8 x^2 + 2 y}{y}$ .

Q: What are some common mistakes to avoid when solving for a variable in an equation?

A: Some common mistakes to avoid when solving for a variable in an equation include:

Not isolating the variable on one side of the equation
Not using the correct mathematical operations to isolate the variable
Not simplifying the equation correctly

Q: How can I ensure that I am solving for the variable correctly and obtaining the correct solution?

A: To ensure that you are solving for the variable correctly and obtaining the correct solution, you need to:

Follow the steps outlined in this article
Avoid common mistakes such as not isolating the variable on one side of the equation, not using the correct mathematical operations to isolate the variable, and not simplifying the equation correctly
Double-check your work to ensure that you are obtaining the correct solution.