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

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The equation is $\"\"$ .

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$\"\"$ (Distributive property: a(b + c) = ab + ac)

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$\"\"$ (Multiply: $\"\"$ )

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Apply addition property of equality: Add 27 to each side.

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

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$\"\"$ (Additive inverse property: $\"\"$ )

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$\"\"$ (Add: $\"\"$ )

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$\"\"$ (Divide each side by 18)

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$\"\"$ (Cancel common terms)

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$\"\"$ (Divide: $\"\"$ )

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$\"\"$

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$\"\"$

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Check:

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To check, substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ (Multipliy: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Multipliy: $\"\"$ ) $\"\"$

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The solution is $\"\"$ .