$\"\"$ \

Solve the system of equation using Elimination Method:

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The equations are

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$\"\"$ Equation (1)

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$\"\"$ Equation (2)

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Multiply equation (1) by 3.

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$\"\"$ Equation (3)

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Eliminate the variable y by addicting the equation (3) from (2).

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

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Divide each side by 7.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$

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Subtract 6 from each side.

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$\"\"$

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$\"\"$

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Multiply each side by negative one.

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$\"\"$

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$\"\"$

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The solution is $\"\"$ . $\"\"$

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The solution is $\"\"$ .