# Solve equations that first involve simplification 2 (x + 3) + 5x = 15

In this lesson, we will solve equations that first need some type of simplification.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the solution to this equation?

1/4

Q2.Find the value of the unknown in this equation.

2/4

Q3.Find the solution to this equation.

3/4

Q4.What is the value of the unknown in this equation?

4/4

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the solution to this equation?

1/4

Q2.Find the value of the unknown in this equation.

2/4

Q3.Find the solution to this equation.

3/4

Q4.What is the value of the unknown in this equation?

4/4

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve equations that first involve simplification 2(x+3) + 5x=15

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Expand and simplify 4(y - 5) - 4

1/3

Q2.Expand and simplify 5y+ 4 (y - 5)

2/3

Q3.Solve 3(y + 2) + 2 = 17

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve equations that first involve simplification 2(x+3) + 5x=15

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Expand and simplify 4(y - 5) - 4

1/3

Q2.Expand and simplify 5y+ 4 (y - 5)

2/3

Q3.Solve 3(y + 2) + 2 = 17

3/3

# Lesson summary: Solve equations that first involve simplification 2 (x + 3) + 5x = 15

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance