Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Systems of Equations
Substitution Method

Formulas

x = 2y + 4 (Substitution from the second equation into the first)
4(2y + 4) + 2y = -14 (Substitution into the first equation)

Theorems

Substitution method for solving systems of linear equations

Suitable Grade Level

Grades 8-10