$\"\"$ $\"\"$

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The equations are

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$\"\"$ Equation (1)

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$\"\"$ Equation (2) $\"\"$

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Apply CRAMER RULE.

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$\"\"$

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$\"\"$

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Evaluate each determinant.

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$\"\"$

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Product of two same sings is positive.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Evaluate each determinant.

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$\"\"$ \ \

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Product of two same sings is positive.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The solution is $\"\"$ .