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$\"\"$

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$\"\"$ \ \

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$\"\"$ (Subtract 8x from each side)

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$\"\"$ (Using commutative property: $\"\"$ )

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

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$\"\"$ (Divide each side by –4)

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$\"\"$ (Cancel common terms)

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$\"\"$ \ \

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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

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$\"\"$ (Subtract: –8 – 6 = –14)

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$\"\"$

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$\"\"$