One-Step Equations – Integers Answer Key – Crack the Code to Simple Algebra!

Have you ever found yourself staring at a math problem, feeling overwhelmed by symbols and numbers? Fear not, because the world of algebra can be surprisingly friendly, especially when you start with the basics! Today, we’ll dive into the world of one-step equations with integer solutions – a crucial foundation for understanding more complex math concepts. Imagine unlocking the secret code behind everyday scenarios, from figuring out the price of a movie ticket after using a coupon to calculating how many miles you can drive on a tank of gas! Ready to unlock your algebraic potential?

One-Step Equations – Integers Answer Key – Crack the Code to Simple Algebra!
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Think of equations like a balanced scale. You have two sides, and to keep things equal, you need to perform the same operations on both sides. What makes one-step equations so much fun is that you need just one step to isolate the unknown variable, usually denoted by a letter like “x.” We’ll explore the four basic operations – addition, subtraction, multiplication, and division – and see how they’re used to solve these equations.

Mastering the Art of One-Step Equations: A Step-by-Step Guide

Unveiling the Mystery of Addition

Let’s start with a simple equation: x + 5 = 10. Our goal is to find the value of “x.” Imagine “x” is the number of apples you have, and adding 5 more apples gives you a total of 10. To find the original number of apples, we need to undo the addition.

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Here’s where the magic happens! To isolate “x,” we’ll subtract 5 from *both sides* of the equation:

x + 5 – 5 = 10 – 5

“5 – 5” cancels out, leaving us with:

x = 5

We have successfully solved the equation! The answer is x = 5. Remember, whatever you do to one side of an equation, you must do to the other side to maintain the balance.

Subtracting Your Way to the Solution

Let’s examine a case where we need to subtract to solve: x – 3 = 7. Think of “x” as the number of points you scored in a game. You subtract 3 points (maybe due to a penalty!), and your final score is 7. How many points did you score initially?

To isolate “x,” we need to add 3 to both sides:

x – 3 + 3 = 7 + 3

Again, “3 – 3” cancels out:

x = 10

Therefore, your initial score was 10 points!

One Step Equations Integers Worksheet Answer Key
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Multiplying and Dividing for Success

Now, let’s explore multiplication. Imagine you’re baking cookies, and you know each batch uses 3 eggs. You have a total of 12 eggs, and you want to figure out how many batches of cookies you can make. This scenario can be represented by: 3x = 12, where “x” represents the number of batches.

To isolate “x,” we need to divide both sides by 3:

3x / 3 = 12 / 3

“3 / 3” cancels out, giving us:

x = 4

This means you can make 4 batches of cookies!

Finally, let’s tackle division. Suppose you have 20 marbles and want to distribute them evenly among your friends. You want to find out how many marbles each friend will receive. This is represented by the equation: x / 4 = 5, where “x” is the total number of marbles.

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To isolate “x,” we need to multiply both sides by 4:

x / 4 * 4 = 5 * 4

“4 / 4” cancels out, leaving us with:

x = 20

So, each of your friends will receive 5 marbles.

Putting It All Together: One-Step Equations in Action

Now that we’ve mastered the four basic operations in one-step equations, let’s put them into practice with some real-world scenarios!

Example 1: Movie Night Mayhem

You have a coupon for $5 off your movie ticket. The original price of the ticket is $12. What is the final price you need to pay?

Let “x” represent the final price. Our equation is: x + 5 = 12. To solve for “x,” subtract 5 from both sides:

x + 5 – 5 = 12 – 5

This simplifies to: x = 7. Therefore, the final price you pay is $7!

Example 2: Baking Delight

You need 10 cups of flour to bake a cake. You have 3 cups of flour. How many more cups of flour do you need?

Let “x” represent the number of cups you need. The equation is: x + 3 = 10. To solve for “x,” subtract 3 from both sides:

x + 3 – 3 = 10 – 3

Simplifying, we get: x = 7. You need to buy 7 more cups of flour!

Example 3: Road Trippin’

Your car gets 30 miles per gallon of gas. You have a full tank of 12 gallons. How many miles can you drive before needing to refuel?

Let “x” represent the total miles you can drive. The equation is: x / 12 = 30. To solve for “x,” multiply both sides by 12:

x / 12 * 12 = 30 * 12

Simplifying, we get: x = 360. You can drive 360 miles before needing gas!

One Step Equations: Integers Answer Key

Unlocking the Power of One-Step Equations: A Gateway to Higher Math

Mastering one-step equations with integers is like unlocking the first door in a treasure hunt. This fundamental skill paves the way to tackling more complex equations and exploring the fascinating world of algebra. It’s the foundation for solving a wide range of real-life problems, from managing personal finances to designing buildings to understanding scientific data. So, embrace the challenge, and enjoy the thrill of solving equations!

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Remember, the key to success is practice. As you solve more one-step equations, you’ll build confidence and become more comfortable with algebraic concepts. Keep exploring, keep learning, and let the world of math become your playground!


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