Understanding Solving Systems of Linear Equations using Substitution
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Beginner
Start here! Easy to understand
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Beginner Explanation
Solve one equation for one variable (for example, express y in terms of x), then substitute this expression into the other equation.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the solution to the system of equations: $3x + 2y = 16$ and $7x + y = 19$?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
You have $2x + 3y = 12$ and $x - y = 1$, representing two methods of combining ingredients in a recipe. Find the values of $x$ and $y$.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Consider the system $4x + 3y = 21$ and $2x - y = 3$. Use substitution to find the solution.
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4
Challenge Quiz
Single Choice Quiz
Advanced
Solve the system: $5x + 4y = 28$ and $9x - 3y = 15$ using substitution.
Please select an answer for all 1 questions before checking your answers. 1 question remaining.
Recap
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