Math Problem Statement
реши систему и сделай объяснение на русском языке
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Polynomial Equations
Formulas
Distributive Property: a(b + c) = ab + ac
Combining like terms: ax + bx = (a + b)x
Theorems
Properties of Equality
Factoring (if used)
Suitable Grade Level
Grades 9-11