## Math Problem Statement

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Algebra

Systems of Linear Equations

Simultaneous Equations

### Formulas

Substitution method: Substitute one variable's expression into another equation.

Elimination method: Adding or subtracting equations to eliminate a variable.

### Theorems

Intersection Point Theorem for Linear Equations

Properties of Linear Equations

### Suitable Grade Level

Grades 8-10

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