Solving a simultaneous equation algebraically

In this lesson, you will learn to solve simultaneous equations algebraically.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.If x=2 and y=3, what is the value of 2x+3y?

1/5

Q2.Is x=3 the solution to 2x+7=13?

2/5

Q3.Use substitution to decide which of the following are solutions to x+y=3.

3/5

Q4.Use substitution to decide which of the following is the solution to x+y=3 and 3x+4y=10.

4/5

Q5.Use substitution to decide which of the following is the solution to x+y=3 and 5y+3x=15.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.If x=2 and y=3, what is the value of 2x+3y?

1/5

Q2.Is x=3 the solution to 2x+7=13?

2/5

Q3.Use substitution to decide which of the following are solutions to x+y=3.

3/5

Q4.Use substitution to decide which of the following is the solution to x+y=3 and 3x+4y=10.

4/5

Q5.Use substitution to decide which of the following is the solution to x+y=3 and 5y+3x=15.

5/5

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Solving simultaneous equations algebraically

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

Q1.If x=3 and 2x+5y=41, what is the value of y?

1/5

Q2.7x+2y=24 AND 4x+2y=18. Find the value of 3x

2/5

Q3.7x+2y=24 AND 4x + 2y = 18. Find the value of y

3/5

Q4.9x +6y=168 AND 9x +4y=160. Solve

4/5

Q5.4x +8y=116 AND 4x +4y=68. Solve

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Solving simultaneous equations algebraically

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

Q1.If x=3 and 2x+5y=41, what is the value of y?

1/5

Q2.7x+2y=24 AND 4x+2y=18. Find the value of 3x

2/5

Q3.7x+2y=24 AND 4x + 2y = 18. Find the value of y

3/5

Q4.9x +6y=168 AND 9x +4y=160. Solve

4/5

Q5.4x +8y=116 AND 4x +4y=68. Solve

5/5

Lesson summary: Solving a simultaneous equation algebraically

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Dance