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