$\"\"$

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The equations of linear system are $\"\"$ .

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Solve the equation 1 or 2 for x or y, since the x and y do not have a coefficient of $\"\"$ .

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Solve the equation 2: $\"\"$ for y.

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Subtract $\"\"$ from each side.

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$\"\"$

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

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Multiply each side by 2.

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$\"\"$

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Apply distributive property: $\"\"$ .

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$\"\"$

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$\"\"$ . $\"\"$

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Substitute the value of $\"\"$ in the equation 1: $\"\"$ and solve for x.

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$\"\"$

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Apply distributive property: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ . $\"\"$

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Subtract $\"\"$ from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Multiply each side by $\"\"$ .

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$\"\"$

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Cancel common terms.

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$\"\"$

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$\"\"$ . $\"\"$

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Substitute the value of $\"\"$ in the equation $\"\"$ to find the value of y.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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

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The solution $\"\"$ .