Math Problem Statement
Solution
To solve the system of equations using elimination, we have the following system:
Step 1: Add the equations
To eliminate , we add both equations (1) and (2):
Step 2: Solve for
Step 3: Substitute into one of the original equations
Let's substitute into equation (2):
Step 4: Solve for
Thus, the value of is 2.
Would you like further details or explanations on any steps?
Here are five related questions to expand your understanding:
- What happens if we use substitution instead of elimination?
- Can you verify the solution by plugging and back into both equations?
- How does elimination differ from substitution in terms of strategy?
- What would happen if the system had no solution or infinitely many solutions?
- How can you graphically interpret the solution of this system?
Tip: When using elimination, always check if you can cancel out one variable by adding or subtracting the equations!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Systems of Equations
Elimination Method
Formulas
Elimination method: Adding or subtracting equations to eliminate a variable
Theorems
Linear Equation Solution Theorem
Suitable Grade Level
Grades 8-10
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