The inequality is .
Write the mixed numbers into improper fraction.
\The improper fraction of
The improper fraction of
The inequality is .
Apply addition property of inequality: Add to each side.
(Additive inverse property:
)
(Additive identity property:
)
(Add:
)
(Divide:
)
Graph the solution set on a number line.
\Note: A dot means that this point is included in the solution set.
Check:
\To check, substitute a number 7 and greater than 7 in .
(Substitute
)
Find the least common denominator (LCD).
\Multiples of 1:1,2,3,4,5,6....
\Multiples of 3:3,6,9,12,15....
\The least common multiple of 1 and 3 is 3.
\Rewrite each fraction with a common denominator of 3.
\
The inequality is true.
The inequality solution is .