$\"subtraction$ $\"subtraction$ $\"\"$

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The equality is $\"\"$

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$\"\"$ (Commutative property of addition: a + b = b + a)

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Apply subtraction property of equality: Subtract 7y from each side.

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$\"\"$

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

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

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$\"\"$ (Sustract: $\"\"$ ) $\"\"$

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Apply subtraction property of equality: Subtract 5 from each side.

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

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

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$\"\"$ (Sustract: $\"\"$ )

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Graph the solution set o n a number line $\"\"$

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Check:

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

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$\"\"$

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

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

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$\"\"$

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The equality solution is $\"\"$ .