The inequality is .
Apply addition property of inequality: Add 1 to each side.
\ (Apply Additive inverse property:
)
(Apply Additive identity property: 0 + 1 = 1)
Apply multiplication property of inequality: Multiply each side by 3.
\ (Cancel common terms)
(Apply multiplicative identity property:
)
Apply subtraction property of inequality: Subtract 7 from each side.
\ (Apply Additive inverse property:
)
(Subtract:
)
Graph the solution set on a number line.
Note: A circle means that this point is not included in the solution set.
The solution set is .