Solve a system of equations using substitution
Solve a system of equations using substitution
What you'll learn
- Solve systems of two linear equations in two variables using the substitution method, demonstrating the steps clearly and accurately in at least 8 out of 10 problems.
- Identify the most efficient variable to isolate in a given system of equations to facilitate the substitution method, justifying the reasoning in writing for at least 3 different systems.
- Explain the rationale behind the substitution method for solving systems of equations, including why it produces equivalent solutions, in a short paragraph with at least 3 supporting sentences.
- Apply the substitution method to solve real-world problems modeled by systems of linear equations, correctly setting up the equations and finding accurate solutions in at least 2 word problems.
Tutorial Preview
Given y = 2 and x + y = 5. What is x?
Given y = x and x + y = 8. What is x?
Given y = 2x and x + y = 6. What is x?
Sample Practice Questions
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Frequently asked questions
What grade level is "Solve a system of equations using substitution"?
Solve a system of equations using substitution is a Grade 5 Mathematics lesson on ExcelOS.
What will I learn in Solve a system of equations using substitution?
You'll be able to: Solve systems of two linear equations in two variables using the substitution method, demonstrating the steps clearly and accurately in at least 8 out of 10 problems; Identify the most efficient variable to isolate in a given….
Is "Solve a system of equations using substitution" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Solve a system of equations using substitution?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.