Elimination method:

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

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

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Multiply 2 to ( 1 ).

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$\"\"$

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

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To eliminate the value subtract ( 2 ) from ( 3 ).

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$\"\"$

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$\"\"$

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___________

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~~$\"\"$~~

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Divide each side by 65.

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~~$\"\"$~~

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~~$\"\"$~~

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

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$\"\"$

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$\"\"$

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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Solution $\"\"$ , $\"\"$ .