The inequlaity is .
Apply subtraction property of inequality: Subtract 7 from each side.
(Apply additive inverse property: )
(Apply additive identity property: )
(Subtract: )
Check:
To substitute a number less than or equal to 5 in .
(Substitute y = 5)
(Add: 5 + 7 = 12)
The inequality is true
The inequality solution set is .
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