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

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The equality is $\"\"$

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Apply Subtraction property of equality: Subtract 4 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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$\"\"$

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Apply Addition property of equality: Add y to each side.

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$\"\"$ (Add y to each side )

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$\"\"$ (Apply commutative property: a + b = b + a )

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

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

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

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Apply division property of equality: Divide each side by 6.

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$\"\"$ (Divide each side by 6)

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$\"\"$ (cancel commen terms)

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$\"\"$ (divide: $\"\"$ )

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

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$\"\"$ (Product of two same signs is positive) \ \

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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 -3, in $\"\"$ ,

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

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

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

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The equality solution is $\"\"$ .