Substitution method :

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The equations are

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

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

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Solve for y.

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$\"\"$

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

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute the values $\"\"$ in (3).

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$\"\"$

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$\"\"$ .

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The solution of the system is $\"\"$ and $\"\"$ .