Math Problem Statement
2.Resuelve usando el método Cramer o determinantes. 12x + 4y = 40 8x - 9y = 15 utiliza la fórmula no escribas palabras
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Cramer's Rule
Determinants
Formulas
Cramer's Rule: x = Dx/D, y = Dy/D
Determinant of a 2x2 matrix: D = ad - bc
Theorems
Cramer's Rule
Properties of Determinants
Suitable Grade Level
Grades 10-12
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