$\"\"$

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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 elimination to make a system of two equations in two variables.

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Multiply equation (3) by 3.

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

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Addition equations (4) and (1).

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$\"\"$

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

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Multiply equation (2) by 6.

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$\"\"$ --------------> (6)

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Subtract equations (6) and (5).

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$\"\"$

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Divide each side by 41.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in equation (5).

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$\"\"$

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$\"\"$

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Add 21 to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 30.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in equation (1).

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$\"\"$

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$\"\"$

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Add 21 to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 9.

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$\"\"$

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$\"\"$

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$\"\"$

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The values are $\"\"$ .