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Home/Mathematics/Matrices & Determinants/Cramer's Rule Calculator - 2x2 System
Math CalculatorMatrices & Determinants

Cramer's Rule Calculator - 2x2 System

Solve a 2x2 system of linear equations using Cramer's Rule. This method uses determinants to find the solution when the system has a unique solution.

Updated 2025-01-154 min readCalzyra Math Team

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Formula & Methodology

How this calculator works

x = det(Ax)/det(A), y = det(Ay)/det(A)

For the system a1x + b1y = c1 and a2x + b2y = c2, Cramer's rule replaces each column with the constants to find x and y.

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