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Solve the system 4x + y = 13, 3x - 2y = 7 using determinants.

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Solve the system 4x + y = 13, 3x - 2y = 7 using determinants.

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The solution requires the values of three determinants. The denominator Δ is formed by writing the coefficients of x and y in order

Δ1, the numerator of x, is formed by replacing the coefficients of x by the constant terms

Δ2, the numerator of y, is formed by replacing the coefficients of y by the constant terms

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