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The equation is $\"\"$ .

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

Combine like terms.

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Subtract 7 from each side.

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

Divide each side by negative 2.

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Cancel common terms.

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

To check the solution, substitute the value of $\"\"$ in the original equation.

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$\"\"$ .

The above statement is true, so the value of $\"\"$ is the solution of original equation. $\"\"$

The value of $\"\"$ .