Math Problem Statement
4x + 2y = −6 and −6x + y = −4(x − 2)
Solution
Let's solve the system of equations:
Step 1: Simplify the equations
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The first equation is already in a simplified form:
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For the second equation, distribute to simplify: Expand: Simplify:
So, the system of equations becomes:
Step 2: Solve the system
Multiply the second equation to align coefficients of :
Multiply the second equation by to eliminate when added to the first equation:
Add the two equations:
Substitute into one of the original equations:
Use the second simplified equation: Substitute : Simplify: Solve for :
Final Solution:
Would you like a step-by-step explanation or a graph of this system?
Related Questions:
- How can you graphically verify the solution of a system of equations?
- What are some methods to solve systems of linear equations apart from substitution and elimination?
- How can you check if a system of equations has no solution or infinitely many solutions?
- How does multiplying an equation affect its solutions in a system?
- What are practical applications of solving linear systems?
Tip:
Always simplify equations fully before attempting to solve, as this can make the process much easier and reduce errors.
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Linear Equations
Substitution Method
Elimination Method
Formulas
Equation of a line: ax + by = c
Distributive Property: a(b + c) = ab + ac
Simplification of linear equations
Theorems
Properties of Equality
Suitable Grade Level
Grades 9-12
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