The inequality is .
Apply subtraction property of inequality: Subtract 6 from each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(Substrat:
)
(Divide each side by 3)
(Cancel common terms)
(Divide:
)
(Multiply each side by negative one and flip the symbol)
(product of two signs is positive)
\
Graph the solution set on a number line
Note: A dot means that this point is included in the solution set.
Check:
\To check, a number greater than or equal to 3, in .
(Substitute t = 3)
(Multiply:
)
(Add:
)
The inequality is true.
The inequality solution set is .