Solve a system of equations using substitution: word problems
Solve a system of equations using substitution: word problems
What you'll learn
- Identify the two variables in a word problem and assign appropriate variables to represent them with 80% accuracy.
- Translate a word problem into a system of two linear equations with two variables with 75% accuracy.
- Solve a system of equations derived from a word problem using the substitution method, showing all steps, and verify the solution by substituting the values back into the original equations with 70% accuracy.
- Explain the meaning of the solution in the context of the original word problem in a complete sentence, demonstrating an understanding of the problem's context.
Tutorial Preview
The sum of two numbers is 15. One number is 3 more than the other. Find the numbers.
A pen and a pencil cost $3 total. The pen costs $1 more than the pencil. Find their costs.
A rectangle's length is twice its width. Its perimeter is 18 inches. Find the dimensions.
Sample Practice Questions
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What grade level is "Solve a system of equations using substitution: word problems"?
Solve a system of equations using substitution: word problems is a Grade 8 Mathematics lesson on ExcelOS.
What will I learn in Solve a system of equations using substitution: word problems?
You'll be able to: Identify the two variables in a word problem and assign appropriate variables to represent them with 80% accuracy; Translate a word problem into a system of two linear equations with two variables with 75% accuracy; Solve a….
Is "Solve a system of equations using substitution: word problems" 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: word problems?
This lesson includes 28 practice questions across multiple difficulty levels, each with instant feedback and explanations.