## Math Problem Statement

i need a solution

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Linear Algebra

System of Linear Equations

Substitution Method

Elimination Method

### Formulas

Substitution formula: Solve one equation for one variable and substitute it into the others

Elimination formula: Combine equations to eliminate one variable

### Theorems

Fundamental Theorem of Linear Equations

### Suitable Grade Level

Grades 10-12

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