Math Problem Statement
Solution
To solve the system of equations using the elimination method, let’s go through each step carefully:
Given equations:
Step 1: Multiply to Align Coefficients
To eliminate or , we can make the coefficients of in both equations the same. We will multiply the first equation by 2 and the second equation by 3:
This results in the following system:
Step 2: Subtract to Eliminate
Now, subtract the first equation from the second equation to eliminate :
This simplifies to:
So, .
Step 3: Substitute Back into One of the Original Equations
Now, substitute into the first equation:
This simplifies to:
Solution
The solution to the system is .
Would you like further details or have any questions about this solution?
Here are five related questions to deepen your understanding:
- How would the solution change if we used substitution instead of elimination?
- What is the geometrical interpretation of this solution on the coordinate plane?
- How can you verify the solution by plugging the values back into the original equations?
- What are some potential errors to watch out for when using the elimination method?
- Could a system of equations ever have no solutions or infinite solutions? How would we detect that?
Tip: When using the elimination method, carefully align terms and check arithmetic to avoid errors, especially when working with larger coefficients.
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Math Problem Analysis
Mathematical Concepts
Algebra
System of Linear Equations
Elimination Method
Formulas
Ax + By = C
Theorems
Elimination method for solving systems of equations
Suitable Grade Level
Grades 8-10
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