$\"subtraction$ $\"\"$

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The equality is $\"\"$

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$\"\"$ (Multiply each side by negative 2)

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$\"\"$ (Cancel common terms)

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

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Check:

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

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$\"\"$

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

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The equality solution is $\"\"$ .