$\"\"$

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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 7.

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

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Subtract equations (4) from (2).

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$\"\"$

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

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Multiply equation (3) by 3.

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$\"\"$

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

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Addition equations (6) and (1).

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ --------------> (7)

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Multiply equation (5) by 6.

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

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Multiply equation (7) by 4.

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

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Subtract equations (8) and (9).

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

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Divide each side by 34.

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ value in equation (7).

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$\"\"$

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$\"\"$

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Subtract 40 from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 6.

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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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Product of two different sings is negative.

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$\"\"$

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$\"\"$

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Subtract 2 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 $\"\"$ .