$\"\"$

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The equation is $\"\"$ .

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Apply distributive property of equality: $\"\"$ .

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$\"\"$

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$\"\"$

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Apply distributive property of equality: $\"\"$ .

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$\"\"$

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$\"\"$

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Apply subtraction property of equality: $\"\"$ then $\"\"$ .

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Subtract 24 from each side.

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$\"\"$

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$\"\"$

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

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Apply division property of equality: $\"\"$ then $\"\"$ .

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Divide each side by negative 4.

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$\"\"$

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Cancel common terms.

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$\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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This is true, therefore solution of the equation $\"\"$ is 7. $\"\"$

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The solution is 7.