$\"\"$

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The system of equations are $\"\"$ .

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$\"\"$ ------------------> (1)

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$\"\"$ ------------> (2)

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$\"\"$ -------------> (3)

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Use substitution to make a system of two equations in two variables.

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Rewrite the equation $\"\"$ .

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Subtract 2y from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in equation (3).

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$\"\"$

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$\"\"$

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Subtract 12 from each side.

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$\"\"$

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$\"\"$

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$\"\"$ -----------------> (4)

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Multiply equation (4) by 4.

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$\"\"$ --------------> (5)

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Addition equations (5) and (2).

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$\"\"$

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Divide each side by 19.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ and $\"\"$ value in equation (3).

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract 24 from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The values are $\"\"$ .