$\"\"$

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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 (1) by 6.

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

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Subtract equations (4) from (3).

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$\"\"$

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

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Multiply equation (2) by 2.

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

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Subtract equations (6) from (3).

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$\"\"$

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$\"\"$ --------------> (8)

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Multiply equation (8) by 9.

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$\"\"$ --------------> (9)

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Subtract equations (5) from (9).

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

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Divide each side by 70.

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in equation (8).

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$\"\"$

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$\"\"$

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Add 6 to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract 9 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 $\"\"$ .